`polinterco.edu.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d5a1^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1095^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.149^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.161^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jimmy.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jimmy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jimmy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jimmy.ns.cloudflare.com`
		A	108.162.195.76^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jimmy.ns.cloudflare.com`
		A	162.159.44.76^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jimmy.ns.cloudflare.com`
		A	172.64.35.76^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jimmy.ns.cloudflare.com`
NS	`surina.ns.cloudflare.com`
		A	2606:4700:50::a29f:2613^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c213^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`surina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2213^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`surina.ns.cloudflare.com`
		A	108.162.194.19^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	162.159.38.19^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	172.64.34.19^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
TXT	`v=spf1 ip4:192.99.170.212 +a +mx +ip4:50.62.56.216 +include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.149, 172.67.213.161
		IPv6 hints	2606:4700:3033::ac43:d5a1, 2606:4700:3037::6815:1095
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=255, name=cloudflare-ech.com
SOA	`jimmy.ns.cloudflare.com`dns@cloudflare.com serial=2410832098

`edu.co`

DNSSEC

⚠️ Not signed

Subdomains

virtual.polinterco.edu.co

Same first word

polinterco.com

polinterco.edu.co

Similar names

DNS History

16 records (10 active, 6 former)

●NSjimmy.ns.cloudflare.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●NSsurina.ns.cloudflare.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●MXalt1.aspmx.l.google.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●MXalt2.aspmx.l.google.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●MXalt3.aspmx.l.google.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●MXaspmx.l.google.com2026-05-24 → 2026-07-30 · 2 obs

● 2026-05-24 07:33:04
● 2026-07-30 09:37:40

●A104.21.16.1492026-05-24 → 2026-07-30 · 5 obs

● 2026-05-24 07:33:04
● 2026-06-09 14:20:30
○ 2026-07-08 16:59:24
● 2026-07-17 07:08:58
● 2026-07-30 09:37:40

●A172.67.213.1612026-05-24 → 2026-07-30 · 5 obs

● 2026-05-24 07:33:04
● 2026-06-09 14:20:30
○ 2026-07-08 16:59:24
● 2026-07-17 07:08:58
● 2026-07-30 09:37:40

○A188.114.96.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-09 14:20:30
● 2026-07-08 16:59:24
○ 2026-07-17 07:08:58
○ 2026-07-30 09:37:40

○A188.114.97.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-09 14:20:30
● 2026-07-08 16:59:24
○ 2026-07-17 07:08:58
○ 2026-07-30 09:37:40

○A2606:4700:3031::6815:10952026-05-24 → 2026-06-09 · 4 obs

● 2026-05-24 07:33:04
● 2026-06-09 14:20:30
○ 2026-07-08 16:59:24
○ 2026-07-30 09:37:40

●A2606:4700:3033::ac43:d5a12026-07-17 → 2026-07-30 · 3 obs

○ 2026-07-08 16:59:24
● 2026-07-17 07:08:58
● 2026-07-30 09:37:40

●A2606:4700:3037::6815:10952026-07-17 → 2026-07-30 · 3 obs

○ 2026-07-08 16:59:24
● 2026-07-17 07:08:58
● 2026-07-30 09:37:40

○A2606:4700:3037::ac43:d5a12026-05-24 → 2026-06-09 · 4 obs

● 2026-05-24 07:33:04
● 2026-06-09 14:20:30
○ 2026-07-08 16:59:24
○ 2026-07-30 09:37:40

○A2a06:98c1:3120::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-09 14:20:30
● 2026-07-08 16:59:24
○ 2026-07-17 07:08:58
○ 2026-07-30 09:37:40

○A2a06:98c1:3121::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-09 14:20:30
● 2026-07-08 16:59:24
○ 2026-07-17 07:08:58
○ 2026-07-30 09:37:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, b.registrydns.co, a.registrydns.co, c.registrydns.co	-
polinterco.edu.co	jimmy.ns.cloudflare.com, surina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.19

NS records: jimmy.ns.cloudflare.com, surina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polinterco.edu.co (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.149, 172.67.213.161`
AAAA	2	`2606:4700:3037::6815:1095, 2606:4700:3033::ac43:d5a1`
NS	2	`jimmy.ns.cloudflare.com, surina.ns.cloudflare.com`
MX	4	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 ip4:192.99.170.212 +a +mx +ip4:50`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jimmy.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

The domain virtual.polinterco.edu.co falls under the parent polinterco.edu.co.

IP Addresses

polinterco.edu.co directs to four IP numbers, which are 104.21.16.149, 172.67.213.161, 2606:4700:3033::ac43:d5a1 and 2606:4700:3037::6815:1095.

Two other host names, along with threepixelslab.gr, mail.design-emotion.com and sei-sinnsationell.de, also share IP numbers with polinterco.edu.co.

Name Servers

polinterco.edu.co is served by two delegated name servers, jimmy.ns.cloudflare.com and surina.ns.cloudflare.com.

polinterco.edu.co shares its NS records with other domains, for example mobiledevgamediary.store, oxonxc.org, papertoyart.com and two others.

At least some of polinterco.edu.co's name servers are shared with other domains, for example stop.to, seankumar.com, churchillsaustin.com and two more.

These name servers tend to be used in conjunction with the name servers jen.ns.cloudflare.com.

DNS names with 6 IP addresses:

jimmy.ns.cloudflare.com carries IP addresses 108.162.195.76, 162.159.44.76 and 172.64.35.76, with 3 other addresses beyond those.

surina.ns.cloudflare.com carries IP addresses 108.162.194.19, 162.159.38.19 and 172.64.34.19, with 3 other addresses beyond those.

Mail Servers

Mail for polinterco.edu.co is handled by four mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

There is at least a partial MX overlap between polinterco.edu.co and other domains, including ministryofconstructions.com, signbase.com, kelpgrove.com and two others.

It is common to see these mail servers combined with the mail servers alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Four hostnames, each resolving to a pair of IP addresses: aspmx.l.google.com directs to 172.253.139.26 and 2607:f8b0:4004:c23::1a; alt1.aspmx.l.google.com directs to 108.177.123.27 and 2800:3f0:4003:c0f::1a; alt2.aspmx.l.google.com directs to 172.253.116.26 and 2a00:1450:400b:c02::1a; alt3.aspmx.l.google.com directs to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

polinterco.edu.co - robtex.com