certel.se - robtex.com
certel.se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.103.94🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux88.unoeuro.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com -all | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2026-04-21 #1 | ||||||
se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.se ⭐ | ||||||
| NS | a.ns.se | ||||||
| NS | b.ns.se | ||||||
| NS | c.ns.se | ||||||
| NS | f.ns.se | ||||||
| NS | g.ns.se | ||||||
| NS | i.ns.se | ||||||
| NS | m.ns.se | ||||||
| NS | x.ns.se | ||||||
| NS | y.ns.se | ||||||
| NS | z.ns.se | ||||||
| TXT | id:133f64c4-c397-45b8-8c4c-25acea7e7389 | ||||||
| TXT | SE zone update: 2026-08-04 06:08:22 +0000 (EPOCH 1785823702) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.seregistry-default@nic.se serial=1785824084 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns01.one.com2015-08-31 → 2015-12-21 · 4 obs
● 2015-12-21 13:21:28
○ 2016-03-29 01:49:20
○ 2026-08-04 06:39:36
○NSns02.one.com2015-08-31 → 2015-12-21 · 4 obs
● 2015-12-21 13:21:28
○ 2016-03-29 01:49:20
○ 2026-08-04 06:39:36
●NSns1.simply.com2026-05-02 → 2026-08-04 · 3 obs
● 2026-05-02 13:54:02
● 2026-08-04 06:39:36
●NSns2.simply.com2026-05-02 → 2026-08-04 · 3 obs
● 2026-05-02 13:54:02
● 2026-08-04 06:39:36
●NSns3.simply.com2026-05-02 → 2026-08-04 · 3 obs
● 2026-05-02 13:54:02
● 2026-08-04 06:39:36
●MXmx.simply.com2026-05-02 → 2026-08-04 · 3 obs
● 2026-05-02 13:54:02
● 2026-08-04 06:39:36
○MXmxcluster1.one.com2015-08-31 → 2015-12-21 · 4 obs
● 2015-12-21 13:21:28
○ 2016-03-29 01:49:20
○ 2026-08-04 06:39:36
○MXmxcluster2.one.com2015-08-31 → 2015-12-21 · 4 obs
● 2015-12-21 13:21:28
○ 2016-03-29 01:49:20
○ 2026-08-04 06:39:36
○A46.30.212.2472015-08-31 → 2015-12-21 · 4 obs
● 2015-12-21 13:21:28
○ 2016-03-29 01:49:20
○ 2026-08-04 06:39:36
●A94.231.103.942026-05-02 → 2026-08-04 · 3 obs
● 2026-05-02 13:54:02
● 2026-08-04 06:39:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| se | a.ns.se, b.ns.se, c.ns.se, f.ns.se... | - |
| certel.se | ns2.simply.com, ns1.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:185.25.141.15
NS records: ns2.simply.com, ns1.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 996ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.103.94 |
| NS | 3 | ns2.simply.com, ns1.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.simply.com -all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
certel.se resolves to just one IP address, 94.231.103.94.
Two other host names, along with jannebruun.dk, bartha.dk and vershuset.dk, also share IP numbers with certel.se.
Name Servers
DNS for certel.se is handled by three authoritative name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.
There is at least partial name server overlap between certel.se and other domains — creativeminds.dk, adsprog.dk, tomlund.net and two more among them.
The name servers ns4.simply.com, ns1.unoeuro.com, ns2.unoeuro.com and two others are commonly seen in use alongside these name servers.
Host names that have two IP addresses:
ns1.simply.com has two IP addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com has two IP addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names that point to one IP address:
ns3.simply.com directs to 91.197.248.79.
Mail Servers
The sole mail server for certel.se is mx.simply.com.
Among the domains sharing a mail server setup with certel.se are grundt.net, fisketips.dk, cotas.dk and two others.
Some mail servers of certel.se are also used by other domains, notably owned.nu and brondby-slagteren.dk.
mx.simply.com has exactly one IP number: 94.231.106.20.