srefc.com - dns.ninja

`srefc.com`

DNSSEC	⚠️ Not signed
A	64.221.72.226^{🇺🇸 AS282864.220.0.0/15 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
		PTR	`mail.srefc.com`
NS	`ns83.worldnic.com` ⭐
		A	162.159.26.131^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns84.worldnic.com`
		A	162.159.27.117^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`srefc-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr03cu00201.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=ms84793027`
TXT	`v=spf1 include:_spf.srefc_com._d.easydmarc.pro ~all`
SOA	`NS83.WORLDNIC.com`namehost@WORLDNIC.com serial=123081513

`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=1783154161

Same first word

srefc.com

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fserc.com

DNS History

6 records (4 active, 2 former)

●NSns83.worldnic.com2015-07-17 → 2026-07-04 · 2 obs

● 2015-07-17 01:07:48
● 2026-07-04 08:40:22

●NSns84.worldnic.com2015-07-17 → 2026-07-04 · 2 obs

● 2015-07-17 01:07:48
● 2026-07-04 08:40:22

●MXsrefc-com.mail.protection.outlook.com2017-08-16 → 2026-07-04 · 3 obs

○ 2016-06-28 06:09:46
● 2017-08-16 11:21:26
● 2026-07-04 08:40:22

○MXsrefc.com.1.0001.arsmtp.com2015-07-17 → 2016-06-28 · 4 obs

● 2015-07-17 01:07:48
● 2016-06-28 06:09:46
○ 2017-08-16 11:21:26
○ 2026-07-04 08:40:22

○MXsrefc.com.2.0001.arsmtp.com2015-07-17 → 2016-06-28 · 4 obs

● 2015-07-17 01:07:48
● 2016-06-28 06:09:46
○ 2017-08-16 11:21:26
○ 2026-07-04 08:40:22

●A64.221.72.2262015-07-17 → 2026-07-04 · 2 obs

● 2015-07-17 01:07:48
● 2026-07-04 08:40:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
srefc.com	ns83.worldnic.com, ns84.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.131

NS records: ns83.worldnic.com, ns84.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for srefc.com (unsigned zone)

⏱️ Timing

Total: 339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.221.72.226`
NS	2	`ns83.worldnic.com, ns84.worldnic.com`
MX	1	`srefc-com.mail.protection.outlook.com (p`
TXT	2	`v=spf1 include:_spf.srefc_com._d.easydma, MS=ms84793027`
SOA	1	`NS83.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns83.worldnic.com, ns84.worldnic.com)

Analysis

IP Addresses

srefc.com resolves to just one IP address, 64.221.72.226.

Name Servers

The NS records for srefc.com delegate to ns83.worldnic.com and ns84.worldnic.com.

srefc.com shares its NS records with other domains, for example genistar.com, davidson.education, magnetsolver.com and two others.

srefc.com and other domains like monolithicpower.tc share at least a portion of their name servers.

Both ns83.worldnic.com and ns84.worldnic.com have a single IP address each — ns83.worldnic.com resolves to 162.159.26.131 while ns84.worldnic.com resolves to 162.159.27.117.

Mail Servers

The sole mail server for srefc.com is srefc-com.mail.protection.outlook.com.

With 8 IP addresses total, srefc-com.mail.protection.outlook.com resolves to 52.101.9.2, 52.101.10.12, 52.101.40.24 and 5 others.