`anthropic.fast`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com`
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
TXT	`v=spf1 -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2025-08-26 #1

`fast`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.fast` ⭐
	NS	`dns2.nic.fast`
	NS	`dns3.nic.fast`
	NS	`dns4.nic.fast`
	NS	`dnsa.nic.fast`
	NS	`dnsb.nic.fast`
	NS	`dnsc.nic.fast`
	NS	`dnsd.nic.fast`
	SOA	`dns1.nic.fast`hostmaster@nominet.org.uk serial=1780560911

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

●NSns1.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns2.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns3.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns4.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns5.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns6.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●NSns7.markmonitor.com2026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

●A3.33.139.322026-05-29 → 2026-06-05 · 2 obs

● 2026-05-29 21:07:50
● 2026-06-05 04:04:58

🔍 DNS Trace

Analysis

IP Addresses

anthropic.fast resolves to one IP address: 3.33.139.32.

thestudyhero.com, wwwhotel.co.uk, aaacarinsurance.net and two other host names share IP numbers with anthropic.fast.

Name Servers

anthropic.fast has 7 name servers handling its delegation — ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and four others.

The name servers of anthropic.fast overlap at least partially with those of other domains — among them smurfitkappa.eu, kohlersignaturestoreburlington.com, ihgreward.info and two more.

These name servers commonly co-occur with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Hostnames that resolve to two IP addresses:

ns1.markmonitor.com resolves to 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com resolves to 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com resolves to 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com resolves to 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com resolves to 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com resolves to 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com resolves to 149.112.161.2 and 2620:10a:80a9::2.