certification.nu - dns.ninja
certification.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 40.127.203.242🇮🇪 Microsoft40.127.0.0/16 | ||||||
| NS | ns1.loopia.se ⭐ | ||||||
| A | 2a02:250:ffff::20🇸🇪 LOOPIA2a02:250:ffff::/48 | ||||||
| PTR | ns1.loopia.se | ||||||
| A | 93.188.0.20🇸🇪 LOOPIA93.188.0.0/24 SE-LOOPIA Loopia AB | ||||||
| PTR | ns1.loopia.se | ||||||
| NS | ns2.loopia.se | ||||||
| A | 2a02:250:fffe::20🇸🇪 LOOPIA22a02:250:fffe::/48 | ||||||
| PTR | ns2.loopia.se | ||||||
| A | 185.71.156.20🇸🇪 LOOPIA2185.71.156.0/24 | ||||||
| PTR | ns2.loopia.se | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c23::1a🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | yuiadrs-in-f26.1e100.net | ||||||
| A | 192.178.155.26🇺🇸 Google192.178.155.0/24 | ||||||
| PTR | yuiadrs-in-f26.1e100.net | ||||||
| SOA | ns1.loopia.seregistry@loopia.se serial=1781740800 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:858addf8-781d-4964-8345-22838e52c37a | ||||||
| TXT | NU zone update: 2026-06-20 20:44:53 +0000 (EPOCH 1781988293) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1781988352 | ||||||
Subdomains
rtk587he45lcifov2tujpgvu1e7f97fv.certification.nu |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●MXaspmx.l.google.com2015-06-17 → 2026-06-20 · 2 obs
● 2026-06-20 20:54:12
●A40.127.203.2422020-02-18 → 2026-06-20 · 3 obs
● 2020-02-18 22:32:36
● 2026-06-20 20:54:12
○A93.158.121.792015-06-17 → 2017-02-06 · 4 obs
● 2017-02-06 21:40:02
○ 2020-02-18 22:32:36
○ 2026-06-20 20:54:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | - |
| certification.nu | ns1.loopia.se, ns2.loopia.se | - |
✅ Authoritative Response
Server:185.71.156.20
NS records: ns1.loopia.se, ns2.loopia.se
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certification.nu (unsigned zone)
⏱️ Timing
Total: 1207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 40.127.203.242 |
| NS | 2 | ns2.loopia.se, ns1.loopia.se |
| MX | 1 | ASPMX.L.GOOGLE.COM (pri: 1) |
| SOA | 1 | ns1.loopia.se registry.loopia.se |
Analysis
Hierarchy
certification.nu is the parent zone for rtk587he45lcifov2tujpgvu1e7f97fv.certification.nu.
IP Addresses
certification.nu resolves to one IP address: 40.127.203.242.
certification.se, teijs4m4i5osmvgb1eu9flvo61nmem8v.ecomedia.se, certifiering.nu and two other host names share IP numbers with certification.nu.
Name Servers
certification.nu is delegated to two name servers: ns1.loopia.se and ns2.loopia.se.
certification.nu uses the same name servers as several other domains — among them tredjealdern.se, brownfieldserbia.com, civilubro.se and two more.
certification.nu partially shares its name servers with domains like pixgallery.com and dvdmandt.net.
ns1.loopia.se and ns2.loopia.se each resolve to two IP addresses: ns1.loopia.se points to 93.188.0.20 and 2a02:250:ffff::20, while ns2.loopia.se points to 185.71.156.20 and 2a02:250:fffe::20.
Mail Servers
Mail for certification.nu is handled by a single mail server, aspmx.l.google.com.
certification.nu uses an identical mail server configuration to several other domains — among them shorehavenmedia.com, 21-lab.com, oneover.com and two more.
certification.nu has at least partial mail server overlap with other domains such as affordablehomeorganizing.com, abord.org, spbstd.ru and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
The host aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c23::1a — two IP addresses.