stackkoverflow.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackkoverflow.com`

DNSSEC	⚠️ Not signed
A	165.160.13.20^{🇺🇸 AS19574165.160.13.0/24}
A	165.160.15.20^{🇺🇸 AS19574165.160.15.0/24}
NS	`dns1.cscdns.net` ⭐
		A	2610:a1:1022::100
		A	156.154.130.100
NS	`dns2.cscdns.net`
		A	2610:a1:1023::100
		A	156.154.131.100
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{AKAMAI-LINODE-AP198.58.96.0/19}
TXT	`v=spf1 -all`
SOA	`dns1.cscdns.net`hostmaster@cscdns.net 2022-12-20 #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=1793589356

Previously NS for

stackkoverflow.com

Same first word

stackkoverflow.com

DNS History

10 records (5 active, 5 former)

●NSdns1.cscdns.net2026-10-24 → 2026-11-02 · 3 obs

○ 2017-04-04 09:17:42
● 2026-10-24 00:15:14
● 2026-11-02 03:37:14

●NSdns2.cscdns.net2026-10-24 → 2026-11-02 · 3 obs

○ 2017-04-04 09:17:42
● 2026-10-24 00:15:14
● 2026-11-02 03:37:14

○NSns1.expiereddnsmanager.com2016-12-03 → 2017-04-04 · 4 obs

● 2016-12-03 12:38:14
● 2017-04-04 09:17:42
○ 2026-10-24 00:15:14
○ 2026-11-02 03:37:14

○NSns2.expiereddnsmanager.com2016-12-03 → 2017-04-04 · 4 obs

● 2016-12-03 12:38:14
● 2017-04-04 09:17:42
○ 2026-10-24 00:15:14
○ 2026-11-02 03:37:14

○NSstackkoverflow.com2016-12-03 → 2017-04-04 · 4 obs

● 2016-12-03 12:38:14
● 2017-04-04 09:17:42
○ 2026-10-24 00:15:14
○ 2026-11-02 03:37:14

●MXcustmx.cscdns.net2026-10-24 → 2026-11-02 · 3 obs

○ 2017-04-04 09:17:42
● 2026-10-24 00:15:14
● 2026-11-02 03:37:14

○MXmx7.stackkoverflow.com2016-12-03 → 2017-04-04 · 4 obs

● 2016-12-03 12:38:14
● 2017-04-04 09:17:42
○ 2026-10-24 00:15:14
○ 2026-11-02 03:37:14

●A165.160.13.202026-10-24 → 2026-11-02 · 3 obs

○ 2017-04-04 09:17:42
● 2026-10-24 00:15:14
● 2026-11-02 03:37:14

●A165.160.15.202026-10-24 → 2026-11-02 · 3 obs

○ 2017-04-04 09:17:42
● 2026-10-24 00:15:14
● 2026-11-02 03:37:14

○A213.247.47.1902016-12-03 → 2017-04-04 · 4 obs

● 2016-12-03 12:38:14
● 2017-04-04 09:17:42
○ 2026-10-24 00:15:14
○ 2026-11-02 03:37:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stackkoverflow.com	dns1.cscdns.net, dns2.cscdns.net	-

✅ Authoritative Response

Server:156.154.131.100

NS records: dns1.cscdns.net, dns2.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackkoverflow.com (unsigned zone)

⏱️ Timing

Total: 1940ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`165.160.13.20, 165.160.15.20`
NS	2	`dns1.cscdns.net, dns2.cscdns.net`
MX	1	`custmx.cscdns.net (pri: 10)`
TXT	1	`v=spf1 -all`
SOA	1	`dns1.cscdns.net hostmaster.cscdns.net`

Analysis

IP Addresses

stackkoverflow.com has two IP addresses: 165.160.13.20 and 165.160.15.20

Name Servers

stackkoverflow.com has two authoritative name servers — dns1.cscdns.net and dns2.cscdns.net.

Both dns1.cscdns.net and dns2.cscdns.net have two IP addresses each. dns1.cscdns.net resolves to 156.154.130.100 and 2610:a1:1022::100; dns2.cscdns.net resolves to 156.154.131.100 and 2610:a1:1023::100.

Mail Servers

stackkoverflow.com uses one mail server — custmx.cscdns.net.

custmx.cscdns.net points to one IP number — 198.58.121.58.