empty.us - dns.ninja

`empty.us`

DNSSEC	🔒 Signed (DS record present)
A	2a04:4e42::311^{🇺🇸 Fastly2a04:4e42::/48}
A	2a04:4e42:200::311^{🇺🇸 Fastly2a04:4e42:200::/48}
A	2a04:4e42:400::311^{🇺🇸 Fastly2a04:4e42:400::/48}
A	2a04:4e42:600::311^{🇺🇸 Fastly2a04:4e42:600::/48}
A	151.101.1.55^{🇺🇸 Fastly151.101.0.0/22}
A	151.101.65.55^{🇺🇸 Fastly151.101.64.0/22}
A	151.101.129.55^{🇺🇸 Fastly151.101.128.0/22}
A	151.101.193.55^{🇺🇸 Fastly151.101.192.0/22}
NS	`ns.develooper.com` ⭐
		A	2604:a880:2:d0::1ce8:7001^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`sfo4.bitnames.com`
		A	178.128.191.122^{🇺🇸 DIGITALOCEAN178.128.176.0/20 DigitalOcean}
			PTR	`sfo4.bitnames.com`
NS	`ns1.eu.bitnames.com`
		A	2a03:b0c0:3:d0::c0:4001^{🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean}
			PTR	`fra1.bitnames.com`
		A	165.227.133.206^{🇩🇪 DIGITALOCEAN165.227.128.0/20 DigitalOcean}
			PTR	`fra1.bitnames.com`
NS	`ns1.us.bitnames.com`
		A	2604:a880:2:d0::1ce8:7001^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`sfo4.bitnames.com`
		A	178.128.191.122^{🇺🇸 DIGITALOCEAN178.128.176.0/20 DigitalOcean}
			PTR	`sfo4.bitnames.com`
NS	`ns2.eu.bitnames.com`
		A	2a03:b0c0:2:d0::20:1001^{🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean}
			PTR	`ams3.bitnames.com`
		A	188.166.56.96^{🇳🇱 DIGITALOCEAN188.166.0.0/18 DigitalOcean}
			PTR	`ams3.bitnames.com`
NS	`ns2.us.bitnames.com`
		A	107.170.182.174^{🇺🇸 DIGITALOCEAN107.170.160.0/19 DigitalOcean}
			PTR	`nyc1.bitnames.com`
NS	`ns3.us.bitnames.com`
		A	2400:6180:0:d0::16e6:2001^{🇸🇬 DIGITALOCEAN2400:6180::/48 DigitalOcean}
		A	68.183.187.150^{🇸🇬 DIGITALOCEAN68.183.176.0/20 DigitalOcean}
MX	`mx-1.pobox.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`mx-2.pobox.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`mx-3.pobox.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`mx-4.pobox.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`mx-5.pobox.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
SOA	`ns.develooper.com`dnsoper@bitnames.com 2026-05-04 #66

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1782765230

Subdomains

www.empty.us

Same first word

empty.app

empty.cafe

empty.glass

empty.seoul.kr

empty.co.uk

empty.cn

empty.zone

empty.org

empty.com.br

empty.media

empty.df.gov.br

empty.us

empty.pro

empty.es

empty.gallery

empty.name

empty.dk

empty.ml

empty.ch

empty.fr

empty.world

empty.xyz

empty.us.com

empty.sh

empty.city

empty.life

empty.social

empty.se

empty.pw

empty.run

empty.co.jp

empty.io

empty.coffee

empty.com

empty.be

empty.directory

empty.pl

empty.church

empty.uz

empty.agency

empty.de

empty.wtf

empty.net

empty.me

empty.at

empty.ru

empty.org.uk

empty.lt

empty.biz

empty.pt

empty.cc

empty.to

empty.network

Similar names

mypet.dk

tempy.ru

tpyme.org

tempy.com.ar

petym.com

mypet.info

pymet.com

petmy.com

mypet.cl

tempy.ca

mtype.com

tempy.org

pymet.es

mypte.study

mypet.co

mypet.ch

mypet.sk

typem.net

tempy.de

myept.com

typem.de

tymep.com

mypet.co.il

mtype.ru

mypet.net

mypet.de

mypet.today

mypte.com

typem.org

tempy.com

mypet.doctor

mypet.directory

mypet.com.gr

mypet.be

typem.it

mypet.ee

ptyme.com

typme.com

typem.name

mtype.co.uk

mypet.com

peytm.com

mypet.ie

mytep.com

tempy.info

mtype.de

mypet.expert

mypet.services

mpety.com

mypet.it

myetp.com

mypet.kiev.ua

mypet.ir

mypet.world

ytemp.com

mypet.com.mx

tympe.com

emytp.com

typem.com

mypet.life

ytpme.com

mytpe.com

mypet.co.jp

mypet.ca

tympe.de

DNS History

23 records (19 active, 4 former)

●NSns.develooper.com2015-08-06 → 2026-06-29 · 7 obs

● 2015-08-06 18:35:36
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●NSns1.eu.bitnames.com2015-08-06 → 2026-06-29 · 2 obs

● 2015-08-06 18:35:36
● 2026-06-29 21:02:02

●NSns1.us.bitnames.com2015-08-06 → 2026-06-29 · 2 obs

● 2015-08-06 18:35:36
● 2026-06-29 21:02:02

●NSns2.eu.bitnames.com2015-08-06 → 2026-06-29 · 2 obs

● 2015-08-06 18:35:36
● 2026-06-29 21:02:02

●NSns2.us.bitnames.com2015-08-06 → 2026-06-29 · 2 obs

● 2015-08-06 18:35:36
● 2026-06-29 21:02:02

●NSns3.us.bitnames.com2015-08-06 → 2026-06-29 · 2 obs

● 2015-08-06 18:35:36
● 2026-06-29 21:02:02

●MXmx-1.pobox.com2021-10-20 → 2026-06-29 · 8 obs

○ 2018-09-16 11:55:30
● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●MXmx-2.pobox.com2021-10-20 → 2026-06-29 · 8 obs

○ 2018-09-16 11:55:30
● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●MXmx-3.pobox.com2021-10-20 → 2026-06-29 · 8 obs

○ 2018-09-16 11:55:30
● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●MXmx-4.pobox.com2021-10-20 → 2026-06-29 · 8 obs

○ 2018-09-16 11:55:30
● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●MXmx-5.pobox.com2021-10-20 → 2026-06-29 · 8 obs

○ 2018-09-16 11:55:30
● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

○MXmx.develooper.com2015-08-06 → 2016-12-10 · 4 obs

● 2015-08-06 18:35:36
● 2016-12-10 22:56:44
○ 2017-10-14 06:11:10
○ 2026-06-29 21:02:02

○MXperl.mx.develooper.com2017-10-14 → 2018-09-16 · 5 obs

○ 2016-12-10 22:56:44
● 2017-10-14 06:11:10
● 2018-09-16 11:55:30
○ 2021-10-20 23:30:02
○ 2026-06-29 21:02:02

●A151.101.1.552026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●A151.101.129.552026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

○A151.101.130.1322021-10-20 → 2022-01-02 · 4 obs

● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-02-15 07:04:34
○ 2026-06-29 21:02:02

●A151.101.193.552026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

○A151.101.2.1322021-10-20 → 2022-01-02 · 4 obs

● 2021-10-20 23:30:02
● 2022-01-02 18:10:30
○ 2026-02-15 07:04:34
○ 2026-06-29 21:02:02

●A151.101.65.552026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●A2a04:4e42::3112026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●A2a04:4e42:200::3112026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●A2a04:4e42:400::3112026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

●A2a04:4e42:600::3112026-02-15 → 2026-06-29 · 7 obs

○ 2022-01-02 18:10:30
● 2026-02-15 07:04:34
○ 2026-06-21 22:56:24
● 2026-06-22 00:18:26
○ 2026-06-27 02:34:32
● 2026-06-27 04:34:48
● 2026-06-29 21:02:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
empty.us	ns1.eu.bitnames.com, ns2.us.bitnames.com, ns3.us.bitnames.com, ns1.us.bitnames.com...	-

✅ Authoritative Response

Server:178.128.191.122

NS records: ns1.eu.bitnames.com, ns2.us.bitnames.com, ns3.us.bitnames.com, ns1.us.bitnames.com, ns2.eu.bitnames.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`151.101.65.55, 151.101.129.55...`
AAAA	4	`2a04:4e42::311, 2a04:4e42:200::311...`
NS	5	`ns1.us.bitnames.com, ns2.eu.bitnames.com...`
MX	5	`mx-5.pobox.com (pri: 10), mx-1.pobox.com (pri: 10)...`
SOA	1	`ns.develooper.com dnsoper.bitnames.com`

Analysis

Hierarchy

The domain www.empty.us falls under the parent empty.us.

IP Addresses

empty.us points to 8 IP addresses, including 151.101.1.55, 151.101.65.55 and 151.101.129.55, plus 5 other.

seven2.eu, ucarecd.net, conservation.wa.gov.au plus two other host names have IP numbers in common with empty.us.

Name Servers

empty.us delegates authority to 6 name servers: ns.develooper.com, ns1.eu.bitnames.com, ns2.eu.bitnames.com plus 3 other.

At least some of empty.us's name servers are shared with other domains, for example skulp.org, plys.net, perl.com and two more.

These name servers tend to co-occur with ns1.us.bitnames.com, ns2.us.bitnames.com, ns3.us.bitnames.com and 4 other name servers in the same DNS delegations.

Host names pointing to two IP addresses:

ns.develooper.com directs traffic to 178.128.191.122 and 2604:a880:2:d0::1ce8:7001.

ns1.eu.bitnames.com directs traffic to 165.227.133.206 and 2a03:b0c0:3:d0::c0:4001.

ns2.eu.bitnames.com directs traffic to 188.166.56.96 and 2a03:b0c0:2:d0::20:1001.

ns1.us.bitnames.com directs traffic to 178.128.191.122 and 2604:a880:2:d0::1ce8:7001.

ns3.us.bitnames.com directs traffic to 68.183.187.150 and 2400:6180:0:d0::16e6:2001.

Host names resolving to a single IP address:

ns2.us.bitnames.com has the IP address 107.170.182.174.

Both ns.develooper.com and ns1.us.bitnames.com resolve to 2604:a880:2:d0::1ce8:7001 IP addresses each.

Both ns.develooper.com and ns1.us.bitnames.com resolve to 178.128.191.122 IP addresses each.

Mail Servers

Five mail servers handle empty.us: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

At least some of the mail servers used by empty.us are shared with other domains: austinsports.com, hohumproductions.co.uk, utopiawithcheese.com and two others among them.

It is common to find these mail servers used together with the mail servers mx-4.pobox.com and mx-5.pobox.com.

Hosts with 8 IP addresses each:

Hostname mx-1.pobox.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Hostname mx-2.pobox.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Hostname mx-3.pobox.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Hostname mx-4.pobox.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

Hostname mx-5.pobox.com directs to 103.168.172.216, 103.168.172.217 and 103.168.172.218 along with 5 other IP addresses.

The following host names point to 103.168.172.216: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.217: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.218: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.219: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.220: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.221: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.222: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.

The following host names point to 103.168.172.223: mx-1.pobox.com, mx-2.pobox.com, mx-3.pobox.com and two others.