fsref.com - dns.ninja

`fsref.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:ae02^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:6046^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.70^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.2^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ishaan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ishaan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ishaan.ns.cloudflare.com`
		A	108.162.195.213^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	162.159.44.213^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	172.64.35.213^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
NS	`rosalie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2639^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c239^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosalie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2239^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosalie.ns.cloudflare.com`
		A	108.162.194.57^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	162.159.38.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	172.64.34.57^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.70, 172.67.174.2
		IPv6 hints	2606:4700:3034::ac43:ae02, 2606:4700:3035::6815:6046
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`ishaan.ns.cloudflare.com`dns@cloudflare.com serial=2410569387

`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=1785666747

WOT: SAFE (63/100)

Same first word

fsref.com

Similar names

ffres.biz

serff.org

serff.nl

serff.com

ffres.co

erfsf.net

effrs.com

reffs.dk

ffres.de

ffers.com

ffser.com

rsfef.org

sffre.com

serff.net

ffres.net

reffs.com

seffr.in

ffres.com

reffs.xyz

erfsf.com

erfsf.org

DNS History

22 records (7 active, 15 former)

○NSdns1.name-services.com2015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

○NSdns2.name-services.com2015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

○NSdns3.name-services.com2015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

○NSdns4.name-services.com2015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

○NSdns5.name-services.com2015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

●NSishaan.ns.cloudflare.com2026-03-25 → 2026-08-02 · 3 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
● 2026-08-02 10:57:06

○NSns1.dyna-ns.net2026-03-09 → 2026-03-12 · 5 obs

○ 2020-11-17 00:55:10
● 2026-03-09 17:46:02
● 2026-03-12 20:40:04
○ 2026-03-25 03:55:36
○ 2026-08-02 10:57:06

○NSns2.dyna-ns.net2026-03-09 → 2026-03-12 · 5 obs

○ 2020-11-17 00:55:10
● 2026-03-09 17:46:02
● 2026-03-12 20:40:04
○ 2026-03-25 03:55:36
○ 2026-08-02 10:57:06

●NSrosalie.ns.cloudflare.com2026-03-25 → 2026-08-02 · 3 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
● 2026-08-02 10:57:06

○NSv1.dns234.net2018-09-10 → 2018-09-10 · 4 obs

○ 2017-02-11 08:45:04
● 2018-09-10 10:57:54
○ 2020-11-17 00:55:10
○ 2026-08-02 10:57:06

○NSv2.dns234.net2018-09-10 → 2018-09-10 · 4 obs

○ 2017-02-11 08:45:04
● 2018-09-10 10:57:54
○ 2020-11-17 00:55:10
○ 2026-08-02 10:57:06

●MXmx.stackmail.com2026-03-25 → 2026-08-02 · 2 obs

● 2026-03-25 03:55:36
● 2026-08-02 10:57:06

●A104.21.96.702026-03-25 → 2026-08-02 · 3 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
● 2026-08-02 10:57:06

○A156.237.143.182018-09-10 → 2018-09-10 · 4 obs

○ 2017-02-11 08:45:04
● 2018-09-10 10:57:54
○ 2020-11-17 00:55:10
○ 2026-08-02 10:57:06

●A172.67.174.22026-03-25 → 2026-08-02 · 3 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
● 2026-08-02 10:57:06

○A185.53.179.1282026-03-09 → 2026-03-12 · 5 obs

○ 2020-11-17 00:55:10
● 2026-03-09 17:46:02
● 2026-03-12 20:40:04
○ 2026-03-25 03:55:36
○ 2026-08-02 10:57:06

○A2606:4700:3030::ac43:ae022026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
○ 2026-08-02 10:57:04
○ 2026-08-02 10:57:06

●A2606:4700:3034::ac43:ae022026-08-02 → 2026-08-02 · 3 obs

○ 2026-03-25 03:55:36
● 2026-08-02 10:57:04
● 2026-08-02 10:57:06

●A2606:4700:3035::6815:60462026-08-02 → 2026-08-02 · 3 obs

○ 2026-03-25 03:55:36
● 2026-08-02 10:57:04
● 2026-08-02 10:57:06

○A2606:4700:3036::6815:60462026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-12 20:40:04
● 2026-03-25 03:55:36
○ 2026-08-02 10:57:04
○ 2026-08-02 10:57:06

○A62.93.19.1942015-06-02 → 2017-02-11 · 4 obs

● 2015-06-02 00:54:04
● 2017-02-11 08:45:04
○ 2018-09-10 10:57:54
○ 2026-08-02 10:57:06

○CNAMEagent31.juming.com2020-11-17 → 2020-11-17 · 3 obs

● 2020-11-17 00:55:10
○ 2026-03-09 17:46:02
○ 2026-08-02 10:57:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
fsref.com	rosalie.ns.cloudflare.com, ishaan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.213

NS records: rosalie.ns.cloudflare.com, ishaan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsref.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.2, 104.21.96.70`
AAAA	2	`2606:4700:3034::ac43:ae02, 2606:4700:3035::6815:6046`
NS	2	`ishaan.ns.cloudflare.com, rosalie.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ishaan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rosalie.ns.cloudflare.com, rosalie.ns.cloudflare.com, rosalie.ns.cloudflare.com...)

Analysis

IP Addresses

fsref.com resolves to four IP addresses: 104.21.96.70, 172.67.174.2, 2606:4700:3034::ac43:ae02 and 2606:4700:3035::6815:6046.

Two other host names, along with cpcontacts.abqlibraryfoundation.org, npanium.com and 92zdd.com, also share IP numbers with fsref.com.

Name Servers

DNS delegation for fsref.com points to two name servers: ishaan.ns.cloudflare.com and rosalie.ns.cloudflare.com.

fsref.com shares its NS records with other domains, for example financial.guru, protectourpower.org, torisoup.net and two others.

fsref.com partially shares its NS delegation with several other domains, including genisup.com, exthst.com, cubics.technology and two others.

These name servers often co-occur with the name servers sam.ns.cloudflare.com.

DNS names with 6 IP addresses:

ishaan.ns.cloudflare.com has IP addresses 108.162.195.213, 162.159.44.213 and 172.64.35.213, plus 3 other.

rosalie.ns.cloudflare.com has IP addresses 108.162.194.57, 162.159.38.57 and 172.64.34.57, plus 3 other.

Mail Servers

The sole mail server for fsref.com is mx.stackmail.com.

Among the domains sharing a mail server setup with fsref.com are l2u.in, wcarsvec.net, sl.uk and two others.

mx.stackmail.com has exactly one IP number: 185.151.28.67.