`guestposting.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4f23^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8d88^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.35^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.136^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
NS	`kianchau.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kianchau.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kianchau.ns.cloudflare.com`
		A	108.162.195.179^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	162.159.44.179^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	172.64.35.179^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
MX	`_dc-mx.619be5d1f018.guestposting.us` ⭐
		A	170.249.204.162^{🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA}
			PTR	`host.airtime.cc`
TXT	`v=spf1 ip4:170.249.204.162 +a +mx +ip4:170.249.238.57 +ip4:170.249.236.185 +i...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.79.35, 172.67.141.136
		IPv6	2606:4700:3036::6815:4f23, 2606:4700:3036::ac43:8d88
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2399441949

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774557896

Same first word

guestposting.us

guestposting.in

guestposting.net

guestposting.org

guestposting.xyz

guestposting.eu

guestposting.info

guestposting.services

guestposting.com

DNS History

16 records (7 active, 9 former)

●NSanna.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

●NSkianchau.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

○NSns01.cashparking.com2015-11-05 → 2016-04-26 · 4 obs

● 2015-11-05 06:27:58
● 2016-04-26 17:15:08
○ 2017-02-08 21:40:08
○ 2026-03-26 21:02:26

○NSns1.bodis.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-26 17:15:08
● 2017-02-08 21:40:08
○ 2026-03-23 14:57:10
○ 2026-03-26 21:02:26

○NSns2.bodis.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-26 17:15:08
● 2017-02-08 21:40:08
○ 2026-03-23 14:57:10
○ 2026-03-26 21:02:26

●MX_dc-mx.619be5d1f018.guestposting.us2026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

○MXmailstore1.secureserver.net2015-11-05 → 2016-04-26 · 4 obs

● 2015-11-05 06:27:58
● 2016-04-26 17:15:08
○ 2017-02-08 21:40:08
○ 2026-03-26 21:02:26

○MXmx76.m2bp.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-26 17:15:08
● 2017-02-08 21:40:08
○ 2026-03-23 14:57:10
○ 2026-03-26 21:02:26

○MXmx76.mb1p.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-26 17:15:08
● 2017-02-08 21:40:08
○ 2026-03-23 14:57:10
○ 2026-03-26 21:02:26

○MXsmtp.secureserver.net2015-11-05 → 2016-04-26 · 4 obs

● 2015-11-05 06:27:58
● 2016-04-26 17:15:08
○ 2017-02-08 21:40:08
○ 2026-03-26 21:02:26

●A104.21.79.352026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

●A172.67.141.1362026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

○A184.168.221.962015-11-05 → 2016-04-26 · 4 obs

● 2015-11-05 06:27:58
● 2016-04-26 17:15:08
○ 2017-02-08 21:40:08
○ 2026-03-26 21:02:26

○A199.59.243.1202017-02-08 → 2017-02-08 · 4 obs

○ 2016-04-26 17:15:08
● 2017-02-08 21:40:08
○ 2026-03-23 14:57:10
○ 2026-03-26 21:02:26

●A2606:4700:3036::6815:4f232026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

●A2606:4700:3036::ac43:8d882026-03-23 → 2026-03-26 · 3 obs

○ 2017-02-08 21:40:08
● 2026-03-23 14:57:10
● 2026-03-26 21:02:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
guestposting.us	kianchau.ns.cloudflare.com, anna.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.102

NS records: kianchau.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guestposting.us (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.35, 172.67.141.136`
AAAA	2	`2606:4700:3036::ac43:8d88, 2606:4700:3036::6815:4f23`
NS	2	`anna.ns.cloudflare.com, kianchau.ns.cloudflare.com`
MX	1	`_dc-mx.619be5d1f018.guestposting.us (pri`
TXT	1	`v=spf1 ip4:170.249.204.162 +a +mx +ip4:1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anna.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

guestposting.us points to four IP numbers: 2606:4700:3036::6815:4f23, 2606:4700:3036::ac43:8d88, 104.21.79.35 and 172.67.141.136.

Other host names, for instance softwaretheories.com, pcworldtech.com, agung711924.com, 123one.cn and excavation.marketing share IP numbers with guestposting.us.

Name Servers

guestposting.us's delegation is to two name servers anna.ns.cloudflare.com and kianchau.ns.cloudflare.com.

guestposting.us shares the same name server configuration as other domains, such as apprentice.live, kaneresidential.com, zigolo.com, logiclibrary.com and sellanything.us.

guestposting.us at least partially shares its name servers with other domains, for instance digitt.com.pk, vaxyz.com, ibcworld.com, amazkn.cn and 9b955.com.

These name servers are commonly used with val.ns.cloudflare.com, phil.ns.cloudflare.com and mia.ns.cloudflare.com.

Host names with six IP numbers:

anna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a66, 2803:f800:50::6ca2:c066, 2a06:98c1:50::ac40:2066, 108.162.192.102, 172.64.32.102 and 173.245.58.102.

kianchau.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb3, 2803:f800:50::6ca2:c3b3, 2a06:98c1:50::ac40:23b3, 108.162.195.179, 162.159.44.179 and 172.64.35.179.

Mail Servers

guestposting.us is served by a single mail server, _dc-mx.619be5d1f018.guestposting.us.

_dc-mx.619be5d1f018.guestposting.us points to IP number 170.249.204.162.

guestposting.us - robtex.com

guestposting.us

us

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`guestposting.us`

`us`