`sefluc.org`

DNSSEC	⚠️ Not signed
A	2606:4700::6810:f950^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fa50^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fb50^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fc50^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fd50^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.249.80^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.250.80^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.251.80^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.252.80^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.253.80^{Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.starchapterhost.com` ⭐
		A	2400:cb00:2049:1::a29f:5b9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.5.185^{Cloudflare162.159.5.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.starchapterhost.com`
		A	2400:cb00:2049:1::a29f:638^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.6.56^{Cloudflare162.159.6.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mxa.mailgun.org` ⭐
		A	34.160.13.42^{🇺🇸 Google34.160.0.0/16}
			PTR	`42.13.160.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.160.13.42^{🇺🇸 Google34.160.0.0/16}
			PTR	`42.13.160.34.bc.googleusercontent.com`
TXT	`v=spf1 a:sefluc.org mx include:_netblock.starchapter.com include:_netblock2.s...`
SOA	`ns1.starchapterhost.com`dns@cloudflare.com serial=2396112045

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

Up

mg.sefluc.org

Same first word

sefluc.org

Similar names

lesfcu.com

csfuel.com

lufsec.com

lucesf.com

eslfcu.net

felcus.com

slefcu.com

flceus.com

clefus.com

secufl.org

flceus.biz

cfuels.com

scelfu.com

flceus.co

lesfcu.net

slefcu.org

flusec.com

secufl.com

secful.com

uclefs.com

fuscle.com

flceus.org

csfule.com

eslfcu.biz

DNS History

17 records (14 active, 3 former)

●NSns1.starchapterhost.com2015-04-21 → 2026-02-27 · 2 obs

● 2015-04-21 01:18:48
● 2026-02-27 03:20:38

○NSns10.dnsmadeeasy.com2015-04-21 → 2017-12-25 · 4 obs

● 2015-04-21 01:18:48
● 2017-12-25 09:15:06
○ 2026-02-22 12:23:22
○ 2026-02-27 03:20:38

●NSns2.starchapterhost.com2015-04-21 → 2026-02-27 · 2 obs

● 2015-04-21 01:18:48
● 2026-02-27 03:20:38

○MXhostmailbox1.starchapterhost.com2015-04-21 → 2017-12-25 · 4 obs

● 2015-04-21 01:18:48
● 2017-12-25 09:15:06
○ 2026-02-22 12:23:22
○ 2026-02-27 03:20:38

●MXmxa.mailgun.org2026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●MXmxb.mailgun.org2026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A104.16.249.802026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A104.16.250.802026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A104.16.251.802026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A104.16.252.802026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A104.16.253.802026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A2606:4700::6810:f9502026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A2606:4700::6810:fa502026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A2606:4700::6810:fb502026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A2606:4700::6810:fc502026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

●A2606:4700::6810:fd502026-02-22 → 2026-02-27 · 3 obs

○ 2017-12-25 09:15:06
● 2026-02-22 12:23:22
● 2026-02-27 03:20:38

○A72.52.226.1252015-04-21 → 2017-12-25 · 4 obs

● 2015-04-21 01:18:48
● 2017-12-25 09:15:06
○ 2026-02-22 12:23:22
○ 2026-02-27 03:20:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
sefluc.org	ns1.starchapterhost.com, ns2.starchapterhost.com	-

✅ Authoritative Response

Server: 162.159.5.185

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sefluc.org (unsigned zone)

⏱️ Timing

Total: 778ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`104.16.250.80, 104.16.251.80...`
AAAA	5	`2606:4700::6810:fd50, 2606:4700::6810:fc50...`
NS	2	`ns1.starchapterhost.com, ns2.starchapterhost.com`
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	1	`v=spf1 a:sefluc.org mx include:_netblock`
SOA	1	`ns1.starchapterhost.com dns.cloudflare.c`

AI analysis

sefluc.org is the parent of mg.sefluc.org.

Ten IP numbers are pointed to by sefluc.org: 2606:4700::6810:f950, 2606:4700::6810:fa50, 2606:4700::6810:fb50, 2606:4700::6810:fc50, 2606:4700::6810:fd50, 104.16.249.80, 104.16.250.80, 104.16.251.80, 104.16.252.80 and 104.16.253.80.

other host names including secwa.org, mnacte.org, nagw.org, detroitashrae.org and fcshrm.org share IP numbers with sefluc.org.

sefluc.org is delegated to two name servers ns1.starchapterhost.com and ns2.starchapterhost.com.

sefluc.org shares the same name server setup as other domains, for instance ocarma.org, ncbta.org, tvstma.org, ashraeny.org and snccim.org.

Host names with two IP numbers:

The host name ns1.starchapterhost.com points to 2400:cb00:2049:1::a29f:5b9 and 162.159.5.185; the host name ns2.starchapterhost.com points to 2400:cb00:2049:1::a29f:638 and 162.159.6.56.

Two mail servers handle sefluc.org: mxa.mailgun.org and mxb.mailgun.org.

sefluc.org shares the same mail server setup as other domains, for instance icallab.com, cncmenswear.com, financepunch.com, onceazul.com and nevclark.com.

sefluc.org shares some mail servers with other domains, at least partially, for instance eosc.ca, tiamarkets.com, savemyscope.com, nyanhosting.id and senzmate.com.