sum.dk - dns.ninja
sum.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1784691001localtime Wed Jul 22 05:30:01 2026gmtime Wed Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784691001 | ||||||
rank #378 in the tld
WOT: SAFE (61/100)
📈 Tranco rank: #690,058
Subdomains
Same first word
Similar names
DNS History
20 records (15 active, 5 former)
○NSns5.csc.dk2015-08-05 → 2017-10-02 · 4 obs
● 2017-10-02 09:05:36
○ 2026-02-19 10:24:04
○ 2026-07-22 03:46:02
○NSns6.csc.dk2015-08-05 → 2017-10-02 · 4 obs
● 2017-10-02 09:05:36
○ 2026-02-19 10:24:04
○ 2026-07-22 03:46:02
●NSns6.sitnet.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●NSns7.sitnet.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx01.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx02.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx03.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx04.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx05.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx06.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx07.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●MXmx08.statens-it.dk2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
○MXsum-dk.mail.protection.outlook.com2015-08-05 → 2017-10-02 · 4 obs
● 2017-10-02 09:05:36
○ 2026-02-19 10:24:04
○ 2026-07-22 03:46:02
●A172.232.147.2522026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●A172.233.57.172026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
○A185.21.41.552016-04-23 → 2017-10-02 · 5 obs
● 2016-04-23 00:23:48
● 2017-10-02 09:05:36
○ 2026-02-19 10:24:04
○ 2026-07-22 03:46:02
○A194.182.128.1082015-08-05 → 2016-01-30 · 4 obs
● 2016-01-30 11:27:36
○ 2016-04-23 00:23:48
○ 2026-07-22 03:46:02
●A2600:3c09::f03c:94ff:fed1:f1bb2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●A2600:3c0e::f03c:94ff:fed1:4ea2026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
●A2a01:4f8:272:3c81::22026-02-19 → 2026-07-22 · 3 obs
● 2026-02-19 10:24:04
● 2026-07-22 03:46:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| sum.dk | ns6.sitnet.dk, ns7.sitnet.dk | 4 records |
✅ Authoritative Response
Server:107.162.234.197
NS records: ns6.sitnet.dk, ns7.sitnet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 580ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.232.147.252, 172.233.57.17 |
| AAAA | 3 | 2600:3c0e::f03c:94ff:fed1:4ea, 2600:3c09::f03c:94ff:fed1:f1bb... |
| NS | 2 | ns7.sitnet.dk, ns6.sitnet.dk |
| MX | 8 | mx04.statens-it.dk (pri: 10), mx08.statens-it.dk (pri: 10)... |
| TXT | 4 | v=spf1 ip4:194.182.109.192/26 ip4:188.64, kFwmm4gNwys7maMLbEyaDOtXPMV7BcQ0USk4rwGS... |
| SOA | 1 | ns6.sitnet.dk hostmaster.statens-it.dk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns6.sitnet.dk, ns6.sitnet.dk, ns7.sitnet.dk...)
Analysis
Hierarchy
edag3.sum.dk and www.sum.dk each fall under sum.dk as their parent domain.
IP Addresses
sum.dk resolves to five IP numbers: 172.232.147.252, 172.233.57.17, 2600:3c09::f03c:94ff:fed1:f1bb and two others
Two other host names, along with sm.dk, danishfolkhighschools.com and tbst.dk, also share IP numbers with sum.dk.
Name Servers
sum.dk is served by two delegated name servers, ns6.sitnet.dk and ns7.sitnet.dk.
sum.dk shares its NS records with other domains, for example goer-det-selv-el.dk, efkm.dk, finansministeriet.dk and two others.
At least some of sum.dk's name servers are shared with other domains, for example influmeter.dk, c-tb.info, tolkeportalen.com and two more.
These name servers tend to be used in conjunction with the name servers sit-dhcp001.prod.sitad.dk.
Each of the two host names carries two IP addresses: ns6.sitnet.dk points to 107.162.234.197 and 2604:e180:1071::3:1, and ns7.sitnet.dk points to 107.162.176.221 and 2604:e180:1071::ffff:6ba2:b0dd.
Mail Servers
sum.dk uses 8 mail servers for delivery: mx01.statens-it.dk, mx02.statens-it.dk, mx03.statens-it.dk and 5 other.
There is at least a partial MX overlap between sum.dk and other domains, including stm.dk, datafordeler.dk, udsatte.dk and two others.
These mail servers frequently co-occur with the mail servers mx04.statens-it.dk, mx05.statens-it.dk, mx06.statens-it.dk and two others.
Host names that point to one IP address:
mx01.statens-it.dk points to the IP address 194.182.109.217.
mx02.statens-it.dk points to the IP address 194.182.109.218.
mx03.statens-it.dk points to the IP address 194.182.109.219.
mx04.statens-it.dk points to the IP address 194.182.109.220.
mx05.statens-it.dk points to the IP address 194.182.109.221.
mx06.statens-it.dk points to the IP address 194.182.109.222.
mx07.statens-it.dk points to the IP address 194.182.109.223.
mx08.statens-it.dk points to the IP address 194.182.109.224.