`medschoolhub.com`

DNSSEC	⚠️ Not signed
A	49.12.121.200^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
		PTR	`ethan.nodebuckethost.com`
NS	`ns1.zirconhost.com` ⭐
		A	49.12.121.200^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
			PTR	`ethan.nodebuckethost.com`
NS	`ns2.zirconhost.com`
		A	49.12.121.200^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
			PTR	`ethan.nodebuckethost.com`
MX	`medschoolhub.com` ⭐
		A	49.12.121.200^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
			PTR	`ethan.nodebuckethost.com`
TXT	`brevo-code:a9286fd44ec3d545855b41b580abf9fb`
TXT	`v=spf1 +a +mx +ip4:49.12.121.200 +ip4:188.40.133.160 ~all`
SOA	`ns1.zirconhost.com`hcsamaranayake@gmail.com 2026-03-20 #0

`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=1776067792

MX for

medschoolhub.com

Same first word

medschoolhub.com

DNS History

19 records (4 active, 15 former)

○NSns.123-reg.co.uk2015-06-19 → 2017-03-13 · 5 obs

○ 2008-03-17 21:32:38
● 2015-06-19 06:59:34
● 2017-03-13 05:33:52
○ 2026-03-08 08:44:34
○ 2026-04-13 08:30:08

●NSns1.zirconhost.com2026-03-08 → 2026-04-13 · 3 obs

○ 2017-03-13 05:33:52
● 2026-03-08 08:44:34
● 2026-04-13 08:30:08

○NSns2.123-reg.co.uk2015-06-19 → 2017-03-13 · 5 obs

○ 2008-03-17 21:32:38
● 2015-06-19 06:59:34
● 2017-03-13 05:33:52
○ 2026-03-08 08:44:34
○ 2026-04-13 08:30:08

●NSns2.zirconhost.com2026-03-08 → 2026-04-13 · 3 obs

○ 2017-03-13 05:33:52
● 2026-03-08 08:44:34
● 2026-04-13 08:30:08

○NSyns1.yahoo.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○NSyns2.yahoo.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

●MXmedschoolhub.com2026-03-08 → 2026-04-13 · 3 obs

○ 2017-03-13 05:33:52
● 2026-03-08 08:44:34
● 2026-04-13 08:30:08

○MXmx0.123-reg.co.uk2015-06-19 → 2017-03-13 · 5 obs

○ 2008-03-17 21:32:38
● 2015-06-19 06:59:34
● 2017-03-13 05:33:52
○ 2026-03-08 08:44:34
○ 2026-04-13 08:30:08

○MXmx1.123-reg.co.uk2015-06-19 → 2017-03-13 · 5 obs

○ 2008-03-17 21:32:38
● 2015-06-19 06:59:34
● 2017-03-13 05:33:52
○ 2026-03-08 08:44:34
○ 2026-04-13 08:30:08

○MXmx1.biz.mail.yahoo.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○MXmx5.biz.mail.yahoo.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A159.253.212.262015-06-19 → 2017-03-13 · 5 obs

○ 2008-03-17 21:32:38
● 2015-06-19 06:59:34
● 2017-03-13 05:33:52
○ 2026-03-08 08:44:34
○ 2026-04-13 08:30:08

●A49.12.121.2002026-03-08 → 2026-04-13 · 3 obs

○ 2017-03-13 05:33:52
● 2026-03-08 08:44:34
● 2026-04-13 08:30:08

○A68.142.234.1032008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A68.142.234.1042008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A68.142.234.1052008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A68.142.234.1062008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A68.142.234.402008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

○A68.142.234.762008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 21:32:38
○ 2015-06-19 06:59:34
○ 2026-04-13 08:30:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
medschoolhub.com	ns1.zirconhost.com, ns2.zirconhost.com	2 records

✅ Authoritative Response

Server:49.12.121.200

NS records: ns1.zirconhost.com, ns2.zirconhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for medschoolhub.com (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.12.121.200`
NS	2	`ns1.zirconhost.com, ns2.zirconhost.com`
MX	1	`medschoolhub.com (pri: 0)`
TXT	2	`brevo-code:a9286fd44ec3d545855b41b580abf, v=spf1 +a +mx +ip4:49.12.121.200 +ip4:18`
SOA	1	`ns1.zirconhost.com hcsamaranayake.gmail.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.zirconhost.com, ns2.zirconhost.com)

Analysis

Mail Server Role

medschoolhub.com serves as the mail server for medschoolhub.com.

IP Addresses

medschoolhub.com points to IP number: 49.12.121.200.

Other host names such as iphase.lk, secondhome.lk, sricraft.com, apolloban(0x616e616c)eaf.com and ezmail.andedge.com share IPs with medschoolhub.com.

Name Servers

medschoolhub.com is delegated to two name servers: ns1.zirconhost.com and ns2.zirconhost.com.

medschoolhub.com shares the same name server setup as getgo.lk, organiclifeteas.com, www.scoprilanka.com, mufaclothing.com and process.lk.

medschoolhub.com at least partially shares name servers with other domains, for instance nexacreative.lk, tamilit.lk, ashalankaie.com, elevategs.com and tharangapunchihewa.com.

these name servers are commonly used with ns1.nodebuckethost.com, ns2.nodebuckethost.com, ns3.hashnetlk.com and ns4.hashnetlk.com.

Host names sharing one IP: ns1.zirconhost.com and ns2.zirconhost.com point to 49.12.121.200.

Mail Servers

medschoolhub.com is handled by a single mail server, medschoolhub.com.

medschoolhub.com points to a single IP: 49.12.121.200.

medschoolhub.com - robtex.com