refmark.org - dns.ninja

refmark.org

DNSSEC⚠️ Not signed
A103.168.172.37πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRwww.messagingengine.com
A103.168.172.52πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
NSns1.messagingengine.com ⭐
A162.159.24.178Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.messagingengine.com
NSns2.messagingengine.com
A162.159.25.191Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.messagingengine.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ?all
SOAns1.messagingengine.compostmaster@messagingengine.com 2026-06-04 #0

org

DNSSECπŸ”’ Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1781190349

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

202120222023202420252026NSns1.messagingengine.comns2.messagingengine.comns-1153.awsdns-16.orgns-1558.awsdns-02.co.ukns-307.awsdns-38.comns-653.awsdns-17.netMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.37103.168.172.5254.231.115.57
β—‹NSns-1153.awsdns-16.org2020-03-31 β†’ 2020-03-31 Β· 3 obs
● 2020-03-31 22:16:00
β—‹ 2026-05-28 19:01:50
β—‹ 2026-06-11 15:31:00
β—‹NSns-1558.awsdns-02.co.uk2020-03-31 β†’ 2020-03-31 Β· 3 obs
● 2020-03-31 22:16:00
β—‹ 2026-05-28 19:01:50
β—‹ 2026-06-11 15:31:00
β—‹NSns-307.awsdns-38.com2020-03-31 β†’ 2020-03-31 Β· 3 obs
● 2020-03-31 22:16:00
β—‹ 2026-05-28 19:01:50
β—‹ 2026-06-11 15:31:00
β—‹NSns-653.awsdns-17.net2020-03-31 β†’ 2020-03-31 Β· 3 obs
● 2020-03-31 22:16:00
β—‹ 2026-05-28 19:01:50
β—‹ 2026-06-11 15:31:00
●NSns1.messagingengine.com2026-05-28 β†’ 2026-06-11 Β· 3 obs
β—‹ 2020-03-31 22:16:00
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
●NSns2.messagingengine.com2026-05-28 β†’ 2026-06-11 Β· 3 obs
β—‹ 2020-03-31 22:16:00
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
●MXin1-smtp.messagingengine.com2026-05-28 β†’ 2026-06-11 Β· 2 obs
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
●MXin2-smtp.messagingengine.com2026-05-28 β†’ 2026-06-11 Β· 2 obs
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
●A103.168.172.372026-05-28 β†’ 2026-06-11 Β· 3 obs
β—‹ 2020-03-31 22:16:00
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
●A103.168.172.522026-05-28 β†’ 2026-06-11 Β· 3 obs
β—‹ 2020-03-31 22:16:00
● 2026-05-28 19:01:50
● 2026-06-11 15:31:00
β—‹A54.231.115.572020-03-31 β†’ 2020-03-31 Β· 3 obs
● 2020-03-31 22:16:00
β—‹ 2026-05-28 19:01:50
β—‹ 2026-06-11 15:31:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
refmark.orgns1.messagingengine.com, ns2.messagingengine.com-

βœ… Authoritative Response

Server:162.159.24.178

NS records: ns1.messagingengine.com, ns2.messagingengine.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refmark.org (unsigned zone)

⏱️ Timing

Total: 504ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2103.168.172.37, 103.168.172.52
NS2ns1.messagingengine.com, ns2.messagingengine.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ?
SOA1ns1.messagingengine.com postmaster.messa

Analysis

IP Addresses

refmark.org points to two IP numbers: 103.168.172.37 and 103.168.172.52.

ctscomp.fastmail.fm, brettwmartin.com, seriousdave.org plus two other host names have IP numbers in common with refmark.org.

Name Servers

Two name servers handle the delegation for refmark.org: ns1.messagingengine.com and ns2.messagingengine.com.

The name server configuration of refmark.org is shared with other domains, for instance caldas.me, spea.re, adyc.net and two others.

The name servers for refmark.org are at least partly shared with other domains such as rosston.com, pbaycm.com, russellupevents.co.uk and boomingbouncers.com.

These name servers tend to appear together with the name servers ns1.rightbox.com, ns2.rightbox.com and ns3.rightbox.com, plus two others.

ns1.messagingengine.com directs to 162.159.24.178 and ns2.messagingengine.com directs to 162.159.25.191; each host name points to exactly one IP number.

Mail Servers

refmark.org uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of refmark.org matches that of other domains such as dualascent.com, wray.pro, chaletmanager.com and two others.

The mail servers of refmark.org are at least partially shared with other domains, including lalan.frozenbrain.com.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Host names with four IP numbers:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.