`postit4free.com`

DNSSEC	⚠️ Not signed
NS	`a.ns.3m.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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}

`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=1774562402

Same first word

postit4free.com

DNS History

6 records (2 active, 4 former)

●NSa.ns.3m.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-06-15 03:08:32
● 2026-03-26 10:14:36
● 2026-03-26 22:23:06

●NSb.ns.3m.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-06-15 03:08:32
● 2026-03-26 10:14:36
● 2026-03-26 22:23:06

○NStop.tesdns.com2015-05-28 → 2017-06-15 · 4 obs

● 2015-05-28 18:00:00
● 2017-06-15 03:08:32
○ 2026-03-26 10:14:36
○ 2026-03-26 22:23:06

○MXmail.postit4free.com2015-05-28 → 2017-06-15 · 4 obs

● 2015-05-28 18:00:00
● 2017-06-15 03:08:32
○ 2026-03-26 10:14:36
○ 2026-03-26 22:23:06

○A199.79.54.2372015-10-17 → 2017-06-15 · 5 obs

○ 2015-05-28 18:00:00
● 2015-10-17 00:17:28
● 2017-06-15 03:08:32
○ 2026-03-26 10:14:36
○ 2026-03-26 22:23:06

○A209.41.87.1892015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 18:00:00
○ 2015-10-17 00:17:28
○ 2026-03-26 22:23:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
postit4free.com	a.ns.3m.com, b.ns.3m.com	2 records

✅ Authoritative Response

Server:173.245.58.19

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postit4free.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

postit4free.com is delegated to two name servers: a.ns.3m.com and b.ns.3m.com.

postit4free.com shares the same name server setup as popnjot.org, 3melsalvador.com, 3mgy.com, novek.net and (0x6675636b)3m.info.

Host names with two IP numbers: a.ns.3m.com points to: 2400:cb00:2049:1::a29f:8ae and 162.159.8.174; b.ns.3m.com points to: 2400:cb00:2049:1::adf5:3a13 and 173.245.58.19.

postit4free.com - robtex.com

postit4free.com

com