`3mhalfmarathon.com`

DNSSEC	⚠️ Not signed
NS	`a.ns.3m.com` ⭐
		A	2400:cb00:2049:1::a29f:8ae^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.174^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.ns.3m.com`
		A	2400:cb00:2049:1::adf5:3a13^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.19^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 -all`
SOA	`a.ns.3m.com`dns@cloudflare.com serial=2396891958

`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=1771291435

Same first word

3mhalfmarathon.com

3mhalfmarathon.net

3mhalfmarathon.org

DNS History

8 records (2 active, 6 former)

●NSa.ns.3m.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-02-11 20:40:56
● 2026-03-24 10:35:42

●NSb.ns.3m.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-02-11 20:40:56
● 2026-03-24 10:35:42

○NSns.3m.com2007-11-11 → 2017-02-11 · 3 obs

● 2007-11-11 15:28:18
● 2017-02-11 20:40:56
○ 2026-03-24 10:35:42

○NSpigseye.mmm.com2007-11-11 → 2017-02-11 · 3 obs

● 2007-11-11 15:28:18
● 2017-02-11 20:40:56
○ 2026-03-24 10:35:42

○MXleslie.3mhalfmarathon.com2007-11-11 → 2017-02-11 · 3 obs

● 2007-11-11 15:28:18
● 2017-02-11 20:40:56
○ 2026-03-24 10:35:42

○A166.62.108.222017-02-11 → 2017-02-11 · 3 obs

○ 2016-06-30 17:39:24
● 2017-02-11 20:40:56
○ 2026-03-24 10:35:42

○A184.106.55.812015-07-15 → 2016-06-30 · 5 obs

○ 2007-11-11 15:28:18
● 2015-07-15 06:15:50
● 2016-06-30 17:39:24
○ 2017-02-11 20:40:56
○ 2026-03-24 10:35:42

○A192.28.34.172007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 15:28:18
○ 2015-07-15 06:15:50
○ 2026-03-24 10:35:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
3mhalfmarathon.com	a.ns.3m.com, b.ns.3m.com	2 records

✅ Authoritative Response

Server:162.159.8.174

NS records: a.ns.3m.com, b.ns.3m.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3mhalfmarathon.com (unsigned zone)

⏱️ Timing

Total: 122ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.ns.3m.com, b.ns.3m.com`
TXT	1	`v=spf1 -all`
SOA	1	`a.ns.3m.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (a.ns.3m.com, b.ns.3m.com)

Analysis

Name Servers

3mhalfmarathon.com is delegated to two name servers a.ns.3m.com and b.ns.3m.com.

3mhalfmarathon.com shares the same name server setup as other domains, for instance 3m-advertising.com, spraymountadhesive.org, 3mclubs.org, 3m.cn.com and 3msprayadhesive.com.

3mhalfmarathon.com at least partially shares name servers with other domains, for instance scotchguardadvancedrepeltechnology.biz.

Host names with two IP numbers:

The host name a.ns.3m.com points to 2400:cb00:2049:1::a29f:8ae and 162.159.8.174; the host name b.ns.3m.com points to 2400:cb00:2049:1::adf5:3a13 and 173.245.58.19.

3mhalfmarathon.com - robtex.com