erstwhile.us - dns.ninja

`erstwhile.us`

DNSSEC	⚠️ Not signed
A	75.168.92.20^{🇺🇸 AS20975.168.0.0/16}
		PTR	`75-168-92-20.mpls.qwest.net`
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2407342900

`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=1786342598

Previously MX for

erstwhile.us

Same first word

erstwhile.us

erstwhile.co

erstwhile.be

erstwhile.org

Similar names

listwhere.com

wherelist.com

DNS History

12 records (5 active, 7 former)

●NScuritiba.ns.porkbun.com2026-05-02 → 2026-08-10 · 3 obs

○ 2016-04-04 14:30:58
● 2026-05-02 10:32:26
● 2026-08-10 06:29:18

●NSfortaleza.ns.porkbun.com2026-05-02 → 2026-08-10 · 3 obs

○ 2016-04-04 14:30:58
● 2026-05-02 10:32:26
● 2026-08-10 06:29:18

●NSmaceio.ns.porkbun.com2026-05-02 → 2026-08-10 · 3 obs

○ 2016-04-04 14:30:58
● 2026-05-02 10:32:26
● 2026-08-10 06:29:18

○NSns19.domaincontrol.com2015-08-19 → 2016-04-04 · 4 obs

● 2015-08-19 04:43:02
● 2016-04-04 14:30:58
○ 2026-05-02 10:32:26
○ 2026-08-10 06:29:18

○NSns20.domaincontrol.com2015-08-19 → 2016-04-04 · 4 obs

● 2015-08-19 04:43:02
● 2016-04-04 14:30:58
○ 2026-05-02 10:32:26
○ 2026-08-10 06:29:18

●NSsalvador.ns.porkbun.com2026-05-02 → 2026-08-10 · 3 obs

○ 2016-04-04 14:30:58
● 2026-05-02 10:32:26
● 2026-08-10 06:29:18

○MXerstwhile.us2015-08-19 → 2016-04-04 · 4 obs

● 2015-08-19 04:43:02
● 2016-04-04 14:30:58
○ 2026-05-02 10:32:26
○ 2026-08-10 06:29:18

○A131.228.167.1692015-08-19 → 2016-04-04 · 4 obs

● 2015-08-19 04:43:02
● 2016-04-04 14:30:58
○ 2026-05-02 10:32:26
○ 2026-08-10 06:29:18

○A75.168.104.872026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-11 20:33:40
● 2026-05-29 11:18:02
○ 2026-08-02 12:07:50
○ 2026-08-10 06:29:18

○A75.168.128.572026-05-02 → 2026-08-10 · 2 obs

○ 2026-05-02 10:32:26
○ 2026-08-10 06:29:18

○A75.168.140.2232026-05-02 → 2026-05-11 · 5 obs

○ 2016-04-04 14:30:58
● 2026-05-02 10:32:26
● 2026-05-11 20:33:40
○ 2026-05-29 11:18:02
○ 2026-08-10 06:29:18

●A75.168.92.202026-08-02 → 2026-08-10 · 3 obs

○ 2026-05-29 11:18:02
● 2026-08-02 12:07:50
● 2026-08-10 06:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
erstwhile.us	salvador.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:173.245.58.37

NS records: salvador.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for erstwhile.us (unsigned zone)

⏱️ Timing

Total: 618ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.168.92.20`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

Analysis

IP Addresses

erstwhile.us has exactly one IP address — 75.168.92.20.

Name Servers

Four name servers handle the delegation for erstwhile.us: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

At least some of erstwhile.us's name servers are shared with other domains, for example turner.fyi, biribiri.dev, flyash0.com and two more.

Four hostnames, each resolving to a pair of IP addresses: curitiba.ns.porkbun.com directs to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com directs to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com directs to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com directs to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.