`mathsciences.ucd.ie`

DNSSEC	⚠️ Not signed
A	137.43.130.157^{🇮🇪 University-College-Dublin137.43.0.0/16}
		PTR	`maths2004.ucd.ie`
		PTR	`maths.ucd.ie`
		PTR	`mathsa.ucd.ie`
		PTR	`mathsci.ucd.ie`
		PTR	`mathsciences.ucd.ie`
		PTR	`statistics.ucd.ie`
		PTR	`www.maths.ucd.ie`
MX	`mx3.ucd.ie` ⭐
		A	137.43.231.113^{🇮🇪 University-College-Dublin137.43.0.0/16}
			PTR	`mx3.ucd.ie`
			PTR	`requiem.ucd.ie`
MX	`mx4.ucd.ie` ⭐
		A	137.43.231.112^{🇮🇪 University-College-Dublin137.43.0.0/16}
			PTR	`angel.ucd.ie`
			PTR	`mx4.ucd.ie`

`ucd.ie`

	DNSSEC	⚠️ Not signed
	A	15.197.133.170^{🇺🇸 Amazon15.197.128.0/20}
	A	166.117.236.203^{🇺🇸 Amazon166.117.224.0/20}
	NS	`auth-ns1.ucd.ie` ⭐
	NS	`auth-ns2.ucd.ie`
	NS	`scsnms.switch.ch` ⚠️ Not in parent delegation
	NS	`sec-ns.tcd.ie` ⚠️ Not in parent delegation
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`mgverify=075f069bd64053c94d6b54d61c3c8d801ba45bc2d65aa237a5642b4587408366`
	TXT	`ZA=oOPXdlAqsqhyCsSnRZlaAQ==`
	TXT	`facebook-domain-verification=tltbxr8j7a2aga84ulop32j8pp3l69`
	TXT	`MS=ms71767614`
	TXT	`v=spf1 ip4:137.43.231.0/24 ip4:137.43.91.0/24 ip4:193.1.174.0/23 ip4:216.17.1...`
	TXT	`asv=2f904f2dfeac8cc5a0b457d6b80123ee`
	TXT	`google-site-verification=7FgSxkuHsf8xdIMLv8iPoBsWHKVdNMCeR2Y1a7divI8`
	TXT	`atlassian-domain-verification=T2KK9/A4YA1PCgIGzCRSxXA3ZJUY8vdGFpAQdimJ17d8tEO...`
	TXT	`HARICA-GJefzqJELOZqrVf399C`
	TXT	`stripe-verification=3325436FFA03DC5CAE353D977AA8A3E9E4E24005F12C786324D1D5A01...`
	TXT	`duo_sso_verification=JQ2ads5QoGIiNilV1OEFIB6VEOmXO7XpIvY43usJr6VQtWyaJSp5gXu3...`
	TXT	`HARICA-nvhAp2Dqh3UEQvHVEUe`
	SOA	`auth-ns1.ucd.ie`net@ucd.ie 2026-04-02 #2

WOT: SAFE (90/100)
rank #4390 globally
rank #5 in the tld
This domain name represents University College Dublin, the largest university in Ireland. It is widely recognized for its rich history, diverse student body, and strong academic programs spanning a wide variety of disciplines. The ".ie" denotes that it is an Irish institution.WOT: SAFE (90/100)
📈 Tranco rank: #13,345

PTR for

157.130.43.137.in-addr.arpa

Same first word

mathsciences.com

DNS History

3 records (3 active, 0 former)

●MXmx3.ucd.ie2026-03-27 → 2026-04-04 · 2 obs

● 2026-03-27 14:51:06
● 2026-04-04 19:18:38

●MXmx4.ucd.ie2026-03-27 → 2026-04-04 · 2 obs

● 2026-03-27 14:51:06
● 2026-04-04 19:18:38

●A137.43.130.1572026-03-27 → 2026-04-04 · 2 obs

● 2026-03-27 14:51:06
● 2026-04-04 19:18:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ie	a.ns.ie, c.ns.ie, d.ns.ie, e.ns.ie...	-
ucd.ie	scsnms.switch.ch, sec-ns.tcd.ie, auth-ns1.ucd.ie, auth-ns2.ucd.ie	4 records

✅ Authoritative Response

Server:137.43.132.54

NS records: scsnms.switch.ch, sec-ns.tcd.ie, auth-ns1.ucd.ie, auth-ns2.ucd.ie

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ucd.ie (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`137.43.130.157`
MX	2	`mx4.ucd.ie (pri: 100), mx3.ucd.ie (pri: 100)`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (auth-ns1.ucd.ie, auth-ns1.ucd.ie, auth-ns2.ucd.ie...)

Analysis

IP Addresses

mathsciences.ucd.ie points to a single IP: 137.43.130.157.

Other host names, for instance statistics.ucd.ie, www.maths.ucd.ie, maths2004.ucd.ie, mathsa.ucd.ie and maths.ucd.ie share IP numbers with mathsciences.ucd.ie.

Mail Servers

mathsciences.ucd.ie is handled by two mail servers: mx3.ucd.ie and mx4.ucd.ie.

mathsciences.ucd.ie has the same mail server setup as other domains, including fiachra.ucd.ie, afflatus.ucd.ie, ferdia.ucd.ie, svhlibrary.ucd.ie and tesla.ucd.ie.

mathsciences.ucd.ie shares at least partially some mail servers with other domains, for instance maths.ucd.ie and fag.ucd.ie.

These mail servers are commonly used with mail servers tomlinson.ucd.ie, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with one IP number: The host name mx3.ucd.ie points to 137.43.231.113 and the host name mx4.ucd.ie points to 137.43.231.112.

mathsciences.ucd.ie - robtex.com