extref.com - dns.ninja

`extref.com`

DNSSEC	⚠️ Not signed
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782531225

Same first word

extref.com

Similar names

exfert.com

xtfree.com

reftex.com

trxfee.com

fertex.cn

xftree.com

texref.com

fertex.com.ar

trefex.com

fretex.de

fretex.com

fertex.lt

fertex.de

fertex.rs

fertex.ru

fxtree.myshopify.com

fertex.eu

treefx.com.au

texref.net

xefret.com

terfex.se

fertex.com

terfex.net

fretex.org

fretex.no

trxfee.io

DNS History

14 records (9 active, 5 former)

●NSns-cloud-c1.googledomains.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●NSns-cloud-c2.googledomains.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●NSns-cloud-c3.googledomains.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●NSns-cloud-c4.googledomains.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

○NSns51.domaincontrol.com2016-01-20 → 2019-02-17 · 4 obs

● 2016-01-20 16:31:02
● 2019-02-17 19:40:42
○ 2026-02-27 15:26:58
○ 2026-06-27 03:53:12

○NSns52.domaincontrol.com2016-01-20 → 2019-02-17 · 4 obs

● 2016-01-20 16:31:02
● 2019-02-17 19:40:42
○ 2026-02-27 15:26:58
○ 2026-06-27 03:53:12

●MXalt1.aspmx.l.google.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●MXalt2.aspmx.l.google.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●MXalt3.aspmx.l.google.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●MXalt4.aspmx.l.google.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

●MXaspmx.l.google.com2026-02-27 → 2026-06-27 · 3 obs

○ 2019-02-17 19:40:42
● 2026-02-27 15:26:58
● 2026-06-27 03:53:12

○MXmailstore1.secureserver.net2016-01-20 → 2019-02-17 · 4 obs

● 2016-01-20 16:31:02
● 2019-02-17 19:40:42
○ 2026-02-27 15:26:58
○ 2026-06-27 03:53:12

○MXsmtp.secureserver.net2016-01-20 → 2019-02-17 · 4 obs

● 2016-01-20 16:31:02
● 2019-02-17 19:40:42
○ 2026-02-27 15:26:58
○ 2026-06-27 03:53:12

○A52.91.167.1272016-01-20 → 2019-02-17 · 4 obs

● 2016-01-20 16:31:02
● 2019-02-17 19:40:42
○ 2026-02-27 15:26:58
○ 2026-06-27 03:53:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
extref.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extref.com (unsigned zone)

⏱️ Timing

Total: 1246ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

Name Servers

Four name servers handle the delegation for extref.com: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

extref.com shares at least some of its name servers with other domains, including soliesmart.com, arkivo.net, wordsforasong.com and two others.

The host names ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each resolve to two IP addresses: ns-cloud-c1.googledomains.com resolves to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com resolves to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com resolves to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com resolves to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

Mail for extref.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by extref.com are shared with other domains: ns500742.ns500731.ns500754.ns500754.ns500704.ns500688.ns500704.ns500678.ns500671.lustychickser.com, ns500765.ns500693.ns500734.ns500734.ns500699.ns500683.ns500683.ns500683.ns500683.ns500578.ns500110.dtrkdll.com, ns500758.ns500698.ns500758.ns500759.ns500758.ns500736.ns500698.ns500736.ns500698.ns500698.ns500576.ns500619.ns500698.ns500576.ns500576.ns500619.ns500619.trackreceptor.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c1d::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.