🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stacksoverflow.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:9f6a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3a76^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.118^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.106^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gail.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c074^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gail.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2074^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gail.ns.cloudflare.com`
		A	108.162.192.116^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	172.64.32.116^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	173.245.58.116^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
NS	`watson.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c17^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c317^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`watson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2317^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`watson.ns.cloudflare.com`
		A	108.162.195.23^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	162.159.44.23^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	172.64.35.23^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
TXT	`google-site-verification=ZqJhGt4dvnSyvrtHJzNxiWsACg78PWdQNhi1uZnnET4`
TXT	`v=spf1 +mx +a +ip4:37.27.60.109 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.118, 172.67.159.106
		IPv6 hints	2606:4700:3032::ac43:9f6a, 2606:4700:3036::6815:3a76
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`gail.ns.cloudflare.com`dns@cloudflare.com serial=2411238015

`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=1788404300

Same first word

stacksoverflow.com

Similar names

stackoverflows.com

Previous names

Next names

DNS History

13 records (6 active, 7 former)

●NSgail.ns.cloudflare.com2026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

○NSns1.dsredirection.com2015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

○NSns2.dsredirection.com2015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

●NSwatson.ns.cloudflare.com2026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

●A104.21.58.1182026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

●A172.67.159.1062026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

○A208.73.210.2002015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

○A208.73.210.2142015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

○A208.73.210.2172015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

○A208.73.211.1782015-08-02 → 2017-04-04 · 4 obs

● 2015-08-02 19:09:54
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

●A2606:4700:3032::ac43:9f6a2026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

●A2606:4700:3036::6815:3a762026-08-28 → 2026-09-03 · 3 obs

○ 2017-04-04 09:17:42
● 2026-08-28 06:52:42
● 2026-09-03 03:24:20

○PTRns1.dsredirection.com2017-02-07 → 2017-04-04 · 4 obs

● 2017-02-07 02:45:06
● 2017-04-04 09:17:42
○ 2026-08-28 06:52:42
○ 2026-09-03 03:24:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
stacksoverflow.com	gail.ns.cloudflare.com, watson.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.23

NS records: gail.ns.cloudflare.com, watson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacksoverflow.com (unsigned zone)

⏱️ Timing

Total: 372ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.106, 104.21.58.118`
AAAA	2	`2606:4700:3032::ac43:9f6a, 2606:4700:3036::6815:3a76`
NS	2	`gail.ns.cloudflare.com, watson.ns.cloudflare.com`
TXT	2	`google-site-verification=ZqJhGt4dvnSyvrt, v=spf1 +mx +a +ip4:37.27.60.109 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gail.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stacksoverflow.com has four IP addresses: 104.21.58.118, 172.67.159.106, 2606:4700:3032::ac43:9f6a and 2606:4700:3036::6815:3a76.

Among the host names that share IP numbers with stacksoverflow.com are www.gtperformance.pl, ashleedillonphoto.com, gregbrant.com and two others.

Name Servers

stacksoverflow.com uses two name servers for its delegation: gail.ns.cloudflare.com and watson.ns.cloudflare.com.

stacksoverflow.com has the same name server delegation as a number of other domains, such as gdenney.com, montedrive.com, masood-shahni.workers.dev and two more.

stacksoverflow.com has at least partial name server overlap with other domains, such as mubas.workers.dev, 1-1cy.pages.dev, heberti.workers.dev and two others.

It is common to find these name servers paired with the name servers kirk.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname gail.ns.cloudflare.com directs to 108.162.192.116, 172.64.32.116 and 173.245.58.116 along with 3 other IP addresses.

Hostname watson.ns.cloudflare.com directs to 108.162.195.23, 162.159.44.23 and 172.64.35.23 along with 3 other IP addresses.

stacksoverflow.com - robtex.com