`techpolymath.com`

DNSSEC	⚠️ Not signed
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}
			PTR	`ip-173-245-58-37.defastlink.net`
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}
			PTR	`ip-162-159-8-140.defastlink.net`
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}
			PTR	`ip-162-159-11-180.defastlink.net`
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}
			PTR	`ip-162-159-10-150.defastlink.net`
MX	`mx1.startmail.com` ⭐
		A	2a02:22a0:bbb6:1d00::1001:25^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`mx1.startmail.com`
		A	145.131.90.133^{🇳🇱 ASN-ROUTIT145.131.64.0/18 RoutIT 20160803}
			PTR	`mx1.startmail.com`
MX	`mx2.startmail.com` ⭐
		A	2a02:22a0:bbb6:1d00::1002:25^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`mx2.startmail.com`
		A	145.131.90.149^{🇳🇱 ASN-ROUTIT145.131.64.0/18 RoutIT 20160803}
			PTR	`mx2.startmail.com`
TXT	`startmail-verification=4f31722e9f2debeadce2ef6a630d64e6`
TXT	`v=spf1 include:spf.startmail.com ~all`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2398582872

`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

techpolymath.com

DNS History

12 records (6 active, 6 former)

●NScuritiba.ns.porkbun.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

●NSfortaleza.ns.porkbun.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

●NSmaceio.ns.porkbun.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

○NSns-1348.awsdns-40.org2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

○NSns-1592.awsdns-07.co.uk2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

○NSns-402.awsdns-50.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

○NSns-937.awsdns-53.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

●NSsalvador.ns.porkbun.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

○MXinbound-smtp.us-east-1.amazonaws.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

●MXmx1.startmail.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

●MXmx2.startmail.com2026-03-04 → 2026-03-23 · 3 obs

○ 2016-12-18 22:58:22
● 2026-03-04 04:45:50
● 2026-03-23 10:49:08

○A138.197.63.1862016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:58:22
○ 2026-03-04 04:45:50
○ 2026-03-23 10:49:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
techpolymath.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.11.180

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	2	`mx1.startmail.com (pri: 10), mx2.startmail.com (pri: 10)`
TXT	2	`startmail-verification=4f31722e9f2debead, v=spf1 include:spf.startmail.com ~all`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

Name Servers

techpolymath.com is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

techpolymath.com at least partially shares name servers with other domains, for instance riginn.com, pictureframingchicago.com, wwyandex.com, goder.com and cafetrail.com.

Host names with two IP numbers: curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37; fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140; maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180; salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150.

Mail Servers

techpolymath.com is handled by two mail servers: mx1.startmail.com and mx2.startmail.com.

The mail server setup for techpolymath.com matches that of other domains, for instance bringa.net, javaforge.com, kent-hunter.com, 123nz.nl and 12dogs.com.

Host names with two IP numbers: mx1.startmail.com points to: 2a02:22a0:bbb6:1d00::1001:25 and 145.131.90.133; mx2.startmail.com points to: 2a02:22a0:bbb6:1d00::1002:25 and 145.131.90.149.

techpolymath.com - robtex.com