markdoc.dev - robtex.com
markdoc.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns-423.awsdns-52.com ⭐ | ||||||
| A | 2600:9000:5301:a700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-423.awsdns-52.com | ||||||
| A | 205.251.193.167🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-423.awsdns-52.com | ||||||
| NS | ns-1087.awsdns-07.org | ||||||
| A | 2600:9000:5304:3f00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1087.awsdns-07.org | ||||||
| A | 205.251.196.63🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1087.awsdns-07.org | ||||||
| NS | ns-1882.awsdns-43.co.uk | ||||||
| A | 2600:9000:5307:5a00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1882.awsdns-43.co.uk | ||||||
| A | 205.251.199.90🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1882.awsdns-43.co.uk | ||||||
| NS | ns-705.awsdns-24.net | ||||||
| A | 2600:9000:5302:c100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-705.awsdns-24.net | ||||||
| A | 205.251.194.193🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-705.awsdns-24.net | ||||||
| SOA | ns-423.awsdns-52.comawsdns-hostmaster@amazon.com serial=1 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
rank #644 in the tld
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1087.awsdns-07.org2026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 13:25:04
●NSns-1882.awsdns-43.co.uk2026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 13:25:04
●NSns-423.awsdns-52.com2026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 13:25:04
●NSns-705.awsdns-24.net2026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 13:25:04
●A76.76.21.212026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 13:25:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| markdoc.dev | ns-1882.awsdns-43.co.uk, ns-423.awsdns-52.com, ns-1087.awsdns-07.org, ns-705.awsdns-24.net | - |
✅ Authoritative Response
Server:205.251.194.193
NS records: ns-1882.awsdns-43.co.uk, ns-423.awsdns-52.com, ns-1087.awsdns-07.org, ns-705.awsdns-24.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for markdoc.dev (unsigned zone)
⏱️ Timing
Total: 395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-1087.awsdns-07.org, ns-1882.awsdns-43.co.uk... |
| SOA | 1 | ns-423.awsdns-52.com awsdns-hostmaster.a |
Analysis
IP Addresses
markdoc.dev resolves to one IP number: 76.76.21.21.
Other host names, for instance expt.co, petrichor.website, depromeet.com, xplorer.rugby and firstplace.hamburg share IP numbers with markdoc.dev.
Name Servers
markdoc.dev delegates to four name servers: ns-423.awsdns-52.com, ns-705.awsdns-24.net, ns-1087.awsdns-07.org and ns-1882.awsdns-43.co.uk.
markdoc.dev at least partially shares name servers with other domains, including trzdev6.com, regnum.ai, incrm.app, cdnslate.com and oasisinn.biz.
Host names with two IP numbers: ns-423.awsdns-52.com points to 2600:9000:5301:a700::1 and 205.251.193.167; ns-705.awsdns-24.net points to 2600:9000:5302:c100::1 and 205.251.194.193; ns-1087.awsdns-07.org points to 2600:9000:5304:3f00::1 and 205.251.196.63; ns-1882.awsdns-43.co.uk points to 2600:9000:5307:5a00::1 and 205.251.199.90.