rtac.co.uk - robtex.com
rtac.co.uk
co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nic.uk ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns3.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns4.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsa.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsb.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsc.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsd.nic.uk ⚠️ Not in parent delegation | ||||||
| SOA | dns1.nic.ukhostmaster@nominet.org.uk serial=1778536076 | ||||||
rank #13434 in the tld
WOT: SAFE (74/100)
Same first word
Similar names
DNS History
17 records (6 active, 11 former)
○NSns.123-reg.co.uk2017-04-02 → 2020-03-14 · 5 obs
● 2017-04-02 22:56:48
● 2020-03-14 15:13:50
○ 2026-04-21 18:49:02
○ 2026-05-11 21:57:54
○NSns1.dnsimple.com2015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
○NSns2.123-reg.co.uk2017-04-02 → 2020-03-14 · 5 obs
● 2017-04-02 22:56:48
● 2020-03-14 15:13:50
○ 2026-04-21 18:49:02
○ 2026-05-11 21:57:54
○NSns2.dnsimple.com2015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
○NSns3.dnsimple.com2015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
○NSns4.dnsimple.com2015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
●NSns63.domaincontrol.com2026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
●NSns64.domaincontrol.com2026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
○MXmail.rtac.co.uk2015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
●MXmx01.mail.icloud.com2026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
●MXmx02.mail.icloud.com2026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
○MXrtac-co-uk.mail.protection.outlook.com2017-04-02 → 2020-03-14 · 5 obs
● 2017-04-02 22:56:48
● 2020-03-14 15:13:50
○ 2026-04-21 18:49:02
○ 2026-05-11 21:57:54
●A2001:8d8:100f:f000::2002026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
●A217.160.0.1012026-05-09 → 2026-05-11 · 3 obs
● 2026-05-09 21:04:32
● 2026-05-11 21:57:54
○A46.32.240.372020-03-14 → 2020-03-14 · 4 obs
● 2020-03-14 15:13:50
○ 2026-04-21 18:49:02
○ 2026-05-11 21:57:54
○A54.76.33.432015-10-25 → 2016-04-19 · 4 obs
● 2016-04-19 12:05:10
○ 2017-04-02 22:56:48
○ 2026-05-11 21:57:54
○A94.136.40.822017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 22:56:48
○ 2020-03-14 15:13:50
○ 2026-05-11 21:57:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| rtac.co.uk | ns64.domaincontrol.com, ns63.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.101.42
NS records: ns64.domaincontrol.com, ns63.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtac.co.uk (unsigned zone)
⏱️ Timing
Total: 2355ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.101 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 2 | apple-domain=OtGF1CNwGiPaH90L, v=spf1 include:icloud.com ~all |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
rtac.co.uk resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.101.
other host names including lift-support.nl, rynio-wohnen.de, ibc-ge.de, dewell.mobi and progast.info share IP numbers with rtac.co.uk.
Name Servers
rtac.co.uk is delegated to two name servers ns63.domaincontrol.com and ns64.domaincontrol.com.
rtac.co.uk shares the same name server setup as other domains, for instance saaster.com, cgaeh.com, margieb.info, cappower.com and greatmountainus.com.
Host names with two IP numbers:
The host name ns63.domaincontrol.com points to 2603:5:2154::2a and 97.74.101.42; the host name ns64.domaincontrol.com points to 2603:5:2254::2a and 173.201.69.42.
Mail Servers
Two mail servers handle rtac.co.uk: mx01.mail.icloud.com and mx02.mail.icloud.com.
rtac.co.uk shares the same mail server setup as other domains, for instance seifert.id, la1n.com, rocket.rs, krirani.com and themirons.net.
rtac.co.uk shares at least some mail servers with other domains, including commissaire-assermentation.ca, asdsolutions.com.au, seqlaw.com and troell.eu.
Host names with six IP numbers:
The host names mx01.mail.icloud.com and mx02.mail.icloud.com point to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.
Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.