gfrd.org - robtex.com
gfrd.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| PTR | cdn-185-199-109-153.github.com | ||||||
| NS | ns1.surfnet.nl ⭐ | ||||||
| A | 2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns1.surfnet.nl | ||||||
| A | 192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1.surfnet.nl | ||||||
| NS | ns1.zurich.surf.net | ||||||
| A | 2001:620:0:9::1103🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| A | 195.176.255.9🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102 | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| NS | ns2.surfnet.nl | ||||||
| A | 2001:610:3:200a:192:87:36:2🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns2.surfnet.nl | ||||||
| A | 192.87.36.2🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns2.surfnet.nl | ||||||
| NS | ns3.surfnet.nl | ||||||
| A | 2001:610:0:800c:195:169:124:71🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns3.surfnet.nl | ||||||
| A | 195.169.124.71🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI | ||||||
| TXT | v=DKIM1; p= | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.surfnet.nldns-beheer@surf.nl 2025-10-23 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1776025940 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns0.directnic.com2015-08-01 → 2017-09-05 · 4 obs
● 2017-09-05 22:57:00
○ 2026-03-26 19:37:18
○ 2026-04-12 21:12:40
○NSns1.directnic.com2015-08-01 → 2017-09-05 · 4 obs
● 2017-09-05 22:57:00
○ 2026-03-26 19:37:18
○ 2026-04-12 21:12:40
●NSns1.surfnet.nl2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 19:37:18
● 2026-04-12 21:12:40
●NSns1.zurich.surf.net2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 19:37:18
● 2026-04-12 21:12:40
●NSns2.surfnet.nl2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 19:37:18
● 2026-04-12 21:12:40
●NSns3.surfnet.nl2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 19:37:18
● 2026-04-12 21:12:40
●A185.199.109.1532026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 19:37:18
● 2026-04-12 21:12:40
○A192.30.252.1532015-08-01 → 2017-09-05 · 4 obs
● 2017-09-05 22:57:00
○ 2026-03-26 19:37:18
○ 2026-04-12 21:12:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| gfrd.org | ns3.surfnet.nl, ns2.surfnet.nl, ns1.zurich.surf.net, ns1.surfnet.nl | - |
✅ Authoritative Response
Server:192.87.106.101
NS records: ns3.surfnet.nl, ns2.surfnet.nl, ns1.zurich.surf.net, ns1.surfnet.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gfrd.org (unsigned zone)
⏱️ Timing
Total: 780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.199.109.153 |
| NS | 4 | ns1.zurich.surf.net, ns1.surfnet.nl... |
| MX | 1 | . (pri: 0) |
| TXT | 2 | v=DKIM1; p=, v=spf1 -all |
| SOA | 1 | ns1.surfnet.nl dns-beheer.surf.nl |
Analysis
IP Addresses
gfrd.org points to a single IP: 185.199.109.153.
Other host names, for instance davidumer.github.io, prajavis.github.io, ultimate-website-backlink-automation.html.html.demo.backlink-generator-tool.backlink-generator-tool.github.io, samsanders.dev and malaybasu.com share IP numbers with gfrd.org.
Name Servers
gfrd.org is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.
gfrd.org at least partially shares its name servers with other domains, for instance leidenislamblog.nl, 172.171.194.in-addr.arpa, opendrac.net, surf.nl and vova.nl.
These name servers are commonly used with arachne.leidenuniv.nl, ns6.eur.nl, umcdns03.azn.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl, ns1.rocva.nl, gm.maastrichtuniversity.nl, dex1001.umcutrecht.nl, dex2001.umcutrecht.nl and ns1-konbib.kb.nl.
Host names with two IPs: ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101; ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2; ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71; ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9.