catch-up.is - robtex.com
catch-up.is
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1774747802 | ||||||
Same first word
DNS History
8 records (6 active, 2 former)
●NSns1-02.azure-dns.com2026-02-28 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
●NSns2-02.azure-dns.net2026-02-28 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
●NSns3-02.azure-dns.org2026-02-28 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
●NSns4-02.azure-dns.info2026-02-28 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
●MXcatchup-is01c.mail.protection.outlook.com2026-02-28 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
○A20.12.97.1022026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 03:26:44
○ 2026-03-29 01:45:20
●A20.22.31.1282026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 01:45:20
○A51.105.228.1042026-02-28 → 2026-03-24 · 4 obs
● 2026-03-24 23:57:14
○ 2026-03-28 03:26:44
○ 2026-03-29 01:45:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | - |
| catch-up.is | ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info | - |
✅ Authoritative Response
Server:204.14.183.2
NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for catch-up.is (unsigned zone)
⏱️ Timing
Total: 582ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.12.97.102 |
| NS | 4 | ns1-02.azure-dns.com, ns2-02.azure-dns.net... |
| MX | 1 | catchup-is01c.mail.protection.outlook.co |
| TXT | 3 | _bmnqmyex2j56zd202scmaa7cnzb14ro, MS=ms68224122... |
| SOA | 1 | ns1-02.azure-dns.com azuredns-hostmaster |
Analysis
IP Addresses
catch-up.is resolves to one IP number: 20.22.31.128.
Other host names, for instance thecouncil.on.ca, waws-prod-bn1-42e56722.sip.p.azurewebsites.windows.net, hostmaster.thomasallen.ca, rcsol.com and datagram.co share IP numbers with catch-up.is.
Name Servers
catch-up.is delegates to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.
catch-up.is at least partially shares name servers with other domains, including telactiv.sk, xiologix.com, azure-dns.net, autofuelsfoodtruck.com and dematic.us.
Host names with two IP numbers: ns1-02.azure-dns.com points to 2603:1061:0:700::2 and 13.107.236.2; ns4-02.azure-dns.info points to 2620:1ec:bda:700::2 and 208.84.5.2; ns2-02.azure-dns.net points to 2620:1ec:8ec:700::2 and 150.171.21.2; ns3-02.azure-dns.org points to 2a01:111:4000:700::2 and 204.14.183.2.
Mail Servers
A single mail server handles catch-up.is, catchup-is01c.mail.protection.outlook.com.
Host catchup-is01c.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::7, 52.101.68.0, 52.101.68.3, 52.101.73.1 and 52.101.73.4.