nac-ci-hackmd.com - robtex.com
nac-ci-hackmd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.68.222.138🇯🇵 Amazon52.68.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-52-68-222-138.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns-1814.awsdns-34.co.uk ⭐ | ||||||
| A | 2600:9000:5307:1600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1814.awsdns-34.co.uk | ||||||
| A | 205.251.199.22🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1814.awsdns-34.co.uk | ||||||
| NS | ns-111.awsdns-13.com | ||||||
| A | 2600:9000:5300:6f00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-111.awsdns-13.com | ||||||
| A | 205.251.192.111🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-111.awsdns-13.com | ||||||
| NS | ns-1519.awsdns-61.org | ||||||
| A | 2600:9000:5305:ef00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1519.awsdns-61.org | ||||||
| A | 205.251.197.239🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1519.awsdns-61.org | ||||||
| NS | ns-737.awsdns-28.net | ||||||
| A | 2600:9000:5302:e100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-737.awsdns-28.net | ||||||
| A | 205.251.194.225🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-737.awsdns-28.net | ||||||
| SOA | ns-1814.awsdns-34.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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.netnstld@verisign-grs.com serial=1774578782 | ||||||
Same first word
nac-ci-hackmd.com |
DNS History
5 records (5 active, 0 former)
●NSns-111.awsdns-13.com2019-02-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:39:32
●NSns-1519.awsdns-61.org2019-02-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:39:32
●NSns-1814.awsdns-34.co.uk2019-02-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:39:32
●NSns-737.awsdns-28.net2019-02-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:39:32
●A52.68.222.1382019-02-07 → 2026-03-27 · 2 obs
● 2026-03-27 02:39:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net... | - |
| nac-ci-hackmd.com | ns-111.awsdns-13.com, ns-737.awsdns-28.net, ns-1814.awsdns-34.co.uk, ns-1519.awsdns-61.org | 1 record |
✅ Authoritative Response
Server:205.251.192.111
NS records: ns-111.awsdns-13.com, ns-737.awsdns-28.net, ns-1814.awsdns-34.co.uk, ns-1519.awsdns-61.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nac-ci-hackmd.com (unsigned zone)
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.68.222.138 |
| NS | 4 | ns-111.awsdns-13.com, ns-1519.awsdns-61.org... |
| SOA | 1 | ns-1814.awsdns-34.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-111.awsdns-13.com)
Analysis
IP Addresses
nac-ci-hackmd.com points to IP number: 52.68.222.138.
Other host names, for instance ec2-52-68-222-138.ap-northeast-1.compute.amazonaws.com share IP numbers with nac-ci-hackmd.com.
Name Servers
nac-ci-hackmd.com is delegated to four name servers: ns-111.awsdns-13.com, ns-737.awsdns-28.net, ns-1519.awsdns-61.org and ns-1814.awsdns-34.co.uk.
nac-ci-hackmd.com at least partially shares name servers with other domains, for instance prologapp.com, ddsl.onvoy.net, d2bmz8g0zz5asu.cloudfront.net, data-internal.com and logicshosted.com.
Host names with two IP numbers: ns-111.awsdns-13.com points to 2600:9000:5300:6f00::1 and 205.251.192.111; ns-737.awsdns-28.net points to 2600:9000:5302:e100::1 and 205.251.194.225; ns-1519.awsdns-61.org points to 2600:9000:5305:ef00::1 and 205.251.197.239; ns-1814.awsdns-34.co.uk points to 2600:9000:5307:1600::1 and 205.251.199.22.