blocked.is - robtex.com
blocked.is
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-157.awsdns-19.com ⭐ | ||||||
| A | 2600:9000:5300:9d00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-157.awsdns-19.com | ||||||
| A | 205.251.192.157🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-157.awsdns-19.com | ||||||
| NS | ns-1029.awsdns-00.org | ||||||
| A | 2600:9000:5304:500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1029.awsdns-00.org | ||||||
| A | 205.251.196.5🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1029.awsdns-00.org | ||||||
| NS | ns-1559.awsdns-02.co.uk | ||||||
| A | 2600:9000:5306:1700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1559.awsdns-02.co.uk | ||||||
| A | 205.251.198.23🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1559.awsdns-02.co.uk | ||||||
| NS | ns-928.awsdns-52.net | ||||||
| A | 2600:9000:5303:a000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-928.awsdns-52.net | ||||||
| A | 205.251.195.160🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-928.awsdns-52.net | ||||||
| MX | mx.dbthor.com ⭐ | ||||||
| A | 52.206.75.11🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix | ||||||
| PTR | mx.dbthor.com | ||||||
| TXT | v=spf1 mx a ip4:52.206.75.11 | ||||||
| SOA | ns-157.awsdns-19.comawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1784382602 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1029.awsdns-00.org2026-05-28 → 2026-07-18 · 2 obs
● 2026-07-18 14:06:06
●NSns-1559.awsdns-02.co.uk2026-05-28 → 2026-07-18 · 2 obs
● 2026-07-18 14:06:06
●NSns-157.awsdns-19.com2026-05-28 → 2026-07-18 · 2 obs
● 2026-07-18 14:06:06
●NSns-928.awsdns-52.net2026-05-28 → 2026-07-18 · 2 obs
● 2026-07-18 14:06:06
●MXmx.dbthor.com2026-05-28 → 2026-07-18 · 2 obs
● 2026-07-18 14:06:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, e.nic.is, f.nic.is... | 10 records |
| blocked.is | ns-157.awsdns-19.com, ns-928.awsdns-52.net, ns-1029.awsdns-00.org, ns-1559.awsdns-02.co.uk | - |
✅ Authoritative Response
Server:205.251.198.23
NS records: ns-157.awsdns-19.com, ns-928.awsdns-52.net, ns-1029.awsdns-00.org, ns-1559.awsdns-02.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blocked.is (unsigned zone)
⏱️ Timing
Total: 1005ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1029.awsdns-00.org, ns-1559.awsdns-02.co.uk... |
| MX | 1 | mx.dbthor.com (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:52.206.75.11 |
| SOA | 1 | ns-157.awsdns-19.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (a.nic.is, a.nic.is, c.nic.is...)
Analysis
Name Servers
The authoritative name servers for blocked.is are ns-157.awsdns-19.com, ns-928.awsdns-52.net, ns-1029.awsdns-00.org and ns-1559.awsdns-02.co.uk.
blocked.is shares at least some of its name servers with other domains, including d1ws7vyasfsb4l.cloudfront.net, juleb.com, worldofliving.de and two others.
These name servers are frequently seen alongside the name servers ns1-24-ap-south-2.ec2-rdns.amazonaws.com, ns2-24-ap-south-2.ec2-rdns.amazonaws.com, ns3-24-ap-south-2.ec2-rdns.amazonaws.com and ns4-24-ap-south-2.ec2-rdns.amazonaws.com.
The host names ns-157.awsdns-19.com, ns-928.awsdns-52.net, ns-1029.awsdns-00.org and ns-1559.awsdns-02.co.uk each resolve to two IP addresses: ns-157.awsdns-19.com resolves to 205.251.192.157 and 2600:9000:5300:9d00::1; ns-928.awsdns-52.net resolves to 205.251.195.160 and 2600:9000:5303:a000::1; ns-1029.awsdns-00.org resolves to 205.251.196.5 and 2600:9000:5304:500::1; ns-1559.awsdns-02.co.uk resolves to 205.251.198.23 and 2600:9000:5306:1700::1.
Mail Servers
Mail for blocked.is is handled by a single mail server, mx.dbthor.com.
blocked.is shares its mail server configuration with other domains, such as dbthor.com and syj.cl.
mx.dbthor.com carries a single IP number, which is 52.206.75.11.