synnefo.org - robtex.com
synnefo.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.177.210.155🇬🇷 GR-NET194.177.208.0/22 GRNET | ||||||
| PTR | devstatic.grnet.gr | ||||||
| NS | worf.dev.grnet.gr ⭐ | ||||||
| A | 62.217.123.43🇬🇷 GR-NET62.217.64.0/18 Greek Research & Technology Network (GRNET) | ||||||
| NS | ns0.grnet.gr | ||||||
| A | 2001:648:2ffc:203::89🇬🇷 GR-NET2001:648::/29 GRNETv6 | ||||||
| PTR | ns0.grnet.gr | ||||||
| A | 83.212.5.89🇬🇷 GR-NET83.212.5.0/24 Deaggregated Space | ||||||
| PTR | ns0.grnet.gr | ||||||
| NS | ns1.grnet.gr | ||||||
| A | 2001:648:2ffc:112::2🇬🇷 GR-NET2001:648::/29 GRNETv6 | ||||||
| PTR | ns1.grnet.gr | ||||||
| A | 83.212.5.22🇬🇷 GR-NET83.212.5.0/24 Deaggregated Space | ||||||
| PTR | ns1.grnet.gr | ||||||
| MX | mx0.grnet.gr ⭐ | ||||||
| A | 2001:648:2ffc:200::161🇬🇷 GR-NET2001:648::/29 GRNETv6 | ||||||
| PTR | mx0.grnet.gr | ||||||
| A | 194.177.210.161🇬🇷 GR-NET194.177.208.0/22 GRNET | ||||||
| PTR | mx0.grnet.gr | ||||||
| TXT | v=spf1 ptr:dev.grnet.gr ~all | ||||||
| TXT | HARICA-cIBxNk8aH7EcQjFneb2 | ||||||
| SOA | worf.dev.grnet.grokeanos-dev@lists.grnet.gr 2025-11-28 #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=1773551953 | ||||||
Subdomains
www.synnefo.org |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSworf.dev.grnet.gr2015-06-06 → 2026-03-22 · 2 obs
● 2026-03-22 16:49:38
○MXworf.dev.grnet.gr2015-06-06 → 2017-11-13 · 3 obs
● 2017-11-13 11:05:10
○ 2026-03-22 16:49:38
●A194.177.210.1552026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:49:38
○A62.217.123.432015-06-06 → 2017-11-13 · 3 obs
● 2017-11-13 11:05:10
○ 2026-03-22 16:49:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| synnefo.org | ns0.grnet.gr, ns1.grnet.gr | - |
✅ Authoritative Response
Server: 83.212.5.22
NS records: ns0.grnet.gr, ns1.grnet.gr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for synnefo.org (unsigned zone)
⏱️ Timing
Total: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.177.210.155 |
| NS | 2 | ns0.grnet.gr, ns1.grnet.gr |
| MX | 1 | mx0.grnet.gr (pri: 10) |
| TXT | 2 | v=spf1 ptr:dev.grnet.gr ~all, HARICA-cIBxNk8aH7EcQjFneb2 |
| SOA | 1 | worf.dev.grnet.gr okeanos-dev.lists.grne |
Analysis
Hierarchy
The parent of www.synnefo.org is synnefo.org.
IP Addresses
synnefo.org points to a single IP: 194.177.210.155.
Other host names, for instance devstatic.grnet.gr, synnefo.me, okeanoscloud.org, dev.grnet.gr and www.synnefo.org share IP numbers with synnefo.org.
Name Servers
synnefo.org is delegated to three name servers: ns0.grnet.gr, ns1.grnet.gr and worf.dev.grnet.gr.
synnefo.org partially shares name servers with other domains; examples include synnefo.me, 172.212.83.in-addr.arpa, epresence.gr, docs.gov.gr and c.f.f.2.8.4.6.0.1.0.0.2.ip6.arpa.
These name servers are commonly used with the name servers ns-pri.grnet.gr, nspri4.grnet.gr, ns1.hmu.gr, ns2.hmu.gr and cerebro.physics.uoc.gr.
Host names with two IP numbers:
ns0.grnet.gr points to 2001:648:2ffc:203::89 and 83.212.5.89.
ns1.grnet.gr points to 2001:648:2ffc:112::2 and 83.212.5.22.
Host names with one IP number:
worf.dev.grnet.gr points to 62.217.123.43.
Mail Servers
synnefo.org is handled by a single mail server, mx0.grnet.gr.
synnefo.org has the same mail server setup as other domains, including okeanos.grnet.gr, argo.grnet.gr, gr-ix.gr, services.gov.gr and ni4os.eu.
Host mx0.grnet.gr resolves to two IPs: 2001:648:2ffc:200::161 and 194.177.210.161.