`ironfibredns.com`

DNSSEC	⚠️ Not signed
A	185.137.240.205^{🇬🇧 AS-ICUK185.137.240.0/24 INTER CDN}
NS	`ns1.interdns.co.uk` ⭐
		A	45.93.112.100^{🇬🇧 AS-ICUK45.93.112.0/22 Interdsl}
			PTR	`ns1.interdns.co.uk`
NS	`ns1.ironfibredns.com`
		A	45.93.112.100^{🇬🇧 AS-ICUK45.93.112.0/22 Interdsl}
			PTR	`ns1.interdns.co.uk`
NS	`ns2.ironfibredns.com`
		A	34.11.22.172^{🇺🇸 Google34.11.0.0/17}
			PTR	`ns2.interdns.co.uk`
NS	`ns3.ironfibredns.com`
		A	35.177.60.186^{🇬🇧 Amazon35.176.0.0/15 EC2 LHR prefix}
			PTR	`ns3.interdns.co.uk`
NS	`ns4.ironfibredns.com`
		A	4.194.233.138^{🇸🇬 Microsoft4.192.0.0/12 MICROSOFT}
			PTR	`ns4.interdns.co.uk`
MX	`smtp-pri.interdns.co.uk` ⭐
		A	45.93.112.112^{🇬🇧 AS-ICUK45.93.112.0/22 Interdsl}
			PTR	`smtp-pri.interdns.co.uk`
MX	`smtp-sec.interdns.co.uk`⁽²⁰⁾
		A	109.123.97.1^{🇬🇧 UK2NET-AS109.123.96.0/22}
			PTR	`gw64-fastest.uk2.net`
MX	`smtp-tri.interdns.co.uk`⁽³⁰⁾
		A	109.123.97.1^{🇬🇧 UK2NET-AS109.123.96.0/22}
			PTR	`gw64-fastest.uk2.net`
TXT	`v=spf1 include:_spf.interdns.co.uk mx a ~all`
SOA	`ns1.interdns.co.uk`admin@interdns.co.uk serial=1776602705

`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=1778386211

Subdomains

ns4.ironfibredns.com

ns1.ironfibredns.com

ns2.ironfibredns.com

ns3.ironfibredns.com

Same first word

ironfibredns.com

DNS History

10 records (9 active, 1 former)

●NSns1.interdns.co.uk2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●NSns1.ironfibredns.com2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●NSns2.ironfibredns.com2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●NSns3.ironfibredns.com2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●NSns4.ironfibredns.com2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●MXsmtp-pri.interdns.co.uk2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●MXsmtp-sec.interdns.co.uk2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●MXsmtp-tri.interdns.co.uk2026-04-23 → 2026-05-10 · 2 obs

● 2026-04-23 15:45:08
● 2026-05-10 04:30:56

●A185.137.240.2052026-04-28 → 2026-05-10 · 3 obs

○ 2026-04-23 18:42:16
● 2026-04-28 17:54:42
● 2026-05-10 04:30:56

○A188.240.191.1682026-04-23 → 2026-04-23 · 4 obs

● 2026-04-23 15:45:08
● 2026-04-23 18:42:16
○ 2026-04-28 17:54:42
○ 2026-05-10 04:30:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net...	-
ironfibredns.com	ns1.ironfibredns.com, ns2.ironfibredns.com, ns3.ironfibredns.com, ns4.ironfibredns.com	4 records

✅ Authoritative Response

Server:34.11.22.172

NS records: ns1.ironfibredns.com, ns2.ironfibredns.com, ns3.ironfibredns.com, ns4.ironfibredns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ironfibredns.com (unsigned zone)

⏱️ Timing

Total: 411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.137.240.205`
NS	4	`ns3.ironfibredns.com, ns2.ironfibredns.com...`
MX	3	`smtp-sec.interdns.co.uk (pri: 20), smtp-tri.interdns.co.uk (pri: 30)...`
TXT	1	`v=spf1 include:_spf.interdns.co.uk mx a`
SOA	1	`ns1.interdns.co.uk admin.interdns.co.uk`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.ironfibredns.com, ns2.ironfibredns.com, ns3.ironfibredns.com...)

Analysis

Hierarchy

ironfibredns.com is a parent of ns4.ironfibredns.com, ns1.ironfibredns.com, ns2.ironfibredns.com and ns3.ironfibredns.com.

IP Addresses

ironfibredns.com resolves to a single IP: 185.137.240.205.

Other host names, for instance syncnshare.com, challock.org.uk, pyewipe.co.uk, theflutterlounge.com and tuso.org.uk share IP numbers with ironfibredns.com.

Name Servers

ironfibredns.com delegates to five name servers: ns1.ironfibredns.com, ns2.ironfibredns.com, ns3.ironfibredns.com, ns4.ironfibredns.com and ns1.interdns.co.uk.

ironfibredns.com shares some name servers with other domains, for example echievers.com, chad-varah.lincs.sch.uk, green-bear.co.uk, cbuilde.com and knotsrugs.com.

These name servers are commonly paired with ns2.interdns.co.uk, ns3.interdns.co.uk, ns4.interdns.co.uk, ns1.cix.uk, ns2.cix.uk, ns3.cix.uk and ns4.cix.uk.

Host names with a single IP:

ns1.ironfibredns.com points to 45.93.112.100

ns2.ironfibredns.com points to 34.11.22.172

ns3.ironfibredns.com points to 35.177.60.186

ns4.ironfibredns.com points to 4.194.233.138

ns1.interdns.co.uk points to 45.93.112.100

Host names pointing to 45.93.112.100: ns1.ironfibredns.com, ns1.interdns.co.uk

Mail Servers

ironfibredns.com is handled by three mail servers: smtp-pri.interdns.co.uk, smtp-sec.interdns.co.uk and smtp-tri.interdns.co.uk.

ironfibredns.com shares some mail servers with other domains, at least partially; for instance itwiser.net, theloop.net, anthiancomputer.net, mjgulvin.com and yo60.com.

these mail servers are commonly used alongside spam.interdns.co.uk and spamsec.interdns.co.uk.

Host names with a single IP:

smtp-pri.interdns.co.uk resolves to 45.93.112.112

smtp-sec.interdns.co.uk resolves to 109.123.97.1

smtp-tri.interdns.co.uk resolves to 109.123.97.1

Host names that resolve to 109.123.97.1: smtp-sec.interdns.co.uk and smtp-tri.interdns.co.uk

ironfibredns.com - robtex.com