rektor.dk

📜 Historical scan 2026-10-12 23:32:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rektor.dk is a .dk domain served by 2 nameservers (grace.ns.cloudflare.com, grant.ns.cloudflare.com). It was registered on 28 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.163 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rektor-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
grace.ns.cloudflare.com	108.162.192.159 172.64.32.159 173.245.58.159 2606:4700:50::adf5:3a9f 2803:f800:50::6ca2:c09f 2a06:98c1:50::ac40:209f	grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
grant.ns.cloudflare.com	108.162.195.130 162.159.44.130 172.64.35.130 2606:4700:58::a29f:2c82 2803:f800:50::6ca2:c382 2a06:98c1:50::ac40:2382	grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 137ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.163	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.51	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rektor-dk.mail.protection.outlook.com	2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 2a01:111:f403:ca48::10 2a01:111:f403:ca48::12 52.101.185.21 52.101.68.15 52.101.91.156 52.101.91.21	mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 105ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1aa3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8933	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 68ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.163,172.67.137.51 ech=AEX+DQBBcgAgACC57J04PGBzGoJvYLUnlJ6rVPgXoqv3N3KfZtnkvDQ/GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1aa3,2606:4700:3033::ac43:8933

🔌 SRV Records#

1 records 179ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 356ms

TXT Record
MS=ms43944560
RektorkollegietsSekretariat
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rektor.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 02:38:47

www	104.21.26.163 172.67.137.51 2606:4700:3031::6815:1aa3 2606:4700:3033::ac43:8933 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rektor.dk: 104.21.26.163 172.67.137.51 2606:4700:3031::6815:1aa3 2606:4700:3033::ac43:8933 (AS13335) www.rektor.dk: 104.21.26.163 172.67.137.51 2606:4700:3031::6815:1aa3 2606:4700:3033::ac43:8933 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rektor.dk	Mmq9Kv3L1B-0GKFHiSlY8Ex1ELOZUeGD5ODe77cLquM
TXT	_acme-challenge.rektor.dk	VoxGKMtrmSMCiPW9adS7AwpDEKhxx2VevSthGaMYrlo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

220ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

116ms

Field	Value
Serial	2417244445
Primary NS (MNAME)	grace.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 23:46:10

Field	Value
Registrar	PROCOPA IT ApS
Registered	2000-07-28
Expires	2027-09-30 (346d)

🔗 Same registrant#

157 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
3g-center.dk	Simply.com A/S
4m-centre.dk	Simply.com A/S
abyss.dk	Simply.com A/S
accuwind.dk	Punktum dk A/S (direct)
alumniplus.dk	Punktum dk A/S (direct)
arches2012.dk	Simply.com A/S
aribah.dk	Punktum dk A/S (direct)
bear-hearing.dk	Simply.com A/S
bigq.dk	Simply.com A/S
bigscience.dk	WEB SOLUTIONS A/S
biobrug.dk	Punktum dk A/S (direct)
biogasupgrade.dk	Punktum dk A/S (direct)
boernenesuniversitet.dk	Simply.com A/S
bonus-optimus.dk	Punktum dk A/S (direct)
borger-cert.dk	Punktum dk A/S (direct)
bridgingthegap.dk	Simply.com A/S
børnenesuniversitet.dk	Punktum dk A/S (direct)
carbospot.dk	Punktum dk A/S (direct)
ceinitiative.dk	Punktum dk A/S (direct)
cemac.dk	Punktum dk A/S (direct)
cert.dk	Punktum dk A/S (direct)
cewqo2017.dk	Simply.com A/S
chemsafe.dk	Punktum dk A/S (direct)
chips-competence-centre.dk	Simply.com A/S
computerome.dk	Punktum dk A/S (direct)
cpcs.dk	Punktum dk A/S (direct)
cphfuture.dk	Punktum dk A/S (direct)
cvt.dk	Punktum dk A/S (direct)
da-gate.dk	Punktum dk A/S (direct)
danish-universities.dk	PROCOPA IT ApS
danishdays.dk	Punktum dk A/S (direct)
danishuniversities.dk	PROCOPA IT ApS
danske-universiteter.dk	PROCOPA IT ApS
darenet.dk	Punktum dk A/S (direct)
datasikkerhedsbladet.dk	Punktum dk A/S (direct)
dccsm.dk	Punktum dk A/S (direct)
dcf-denmark.dk	Punktum dk A/S (direct)
dcrs.dk	Punktum dk A/S (direct)
deic.dk	Punktum dk A/S (direct)
derisk.dk	Punktum dk A/S (direct)
detrigtigelaboratorium.dk	Punktum dk A/S (direct)
difres.dk	DANDOMAIN A/S
dig-e.dk	Punktum dk A/S (direct)
dix.dk	Punktum dk A/S (direct)
dk-cert.dk	Punktum dk A/S (direct)
dkcert.dk	Punktum dk A/S (direct)
dnsc.dk	Punktum dk A/S (direct)
dsri.dk	Punktum dk A/S (direct)
dtb.dk	Punktum dk A/S (direct)
dtu-alarm.dk	Simply.com A/S
dtu.dk	Punktum dk A/S (direct)
dtub.dk	Punktum dk A/S (direct)
dtubusiness.dk	Punktum dk A/S (direct)
dtusat.dk	Punktum dk A/S (direct)
dtv.dk	Punktum dk A/S (direct)
dunet.dk	Danmarks Tekniske Universitet
duraledge.dk	Punktum dk A/S (direct)
e-universitet.dk	Punktum dk A/S (direct)
eduroam.dk	Punktum dk A/S (direct)
efsa.dk	Punktum dk A/S (direct)
elchemea.dk	Punktum dk A/S (direct)
entrepreneurial.dk	Punktum dk A/S (direct)
erc-electrothermo.dk	Punktum dk A/S (direct)
esabic.dk	Punktum dk A/S (direct)
eurocc.dk	Punktum dk A/S (direct)
executivemba.dk	Punktum dk A/S (direct)
executivemmt.dk	Punktum dk A/S (direct)
findit.dk	Punktum dk A/S (direct)
fisker-forsker.dk	DANDOMAIN A/S
fleksibelenergi.dk	Punktum dk A/S (direct)
flexibleenergy.dk	Punktum dk A/S (direct)
formalmethods.dk	Punktum dk A/S (direct)
forskningsfronten.dk	Punktum dk A/S (direct)
forskningsnet-cert.dk	Punktum dk A/S (direct)
forskningsnet.dk	Punktum dk A/S (direct)
forskningsnettet.dk	Punktum dk A/S (direct)
forskningsportalen.dk	Punktum dk A/S (direct)
fsknet.dk	Punktum dk A/S (direct)
g2v2g.dk	Punktum dk A/S (direct)
galathea3.dk	Punktum dk A/S (direct)
gluckstad.dk	Punktum dk A/S (direct)
havforskning.dk	Punktum dk A/S (direct)
hawc2.dk	Punktum dk A/S (direct)
hco2020.dk	Punktum dk A/S (direct)
hcoersted2020.dk	Punktum dk A/S (direct)
healthyoushare.dk	Punktum dk A/S (direct)
hydrograv.dk	Punktum dk A/S (direct)
i2.dk	Punktum dk A/S (direct)
i4i.dk	Punktum dk A/S (direct)
icert.dk	Punktum dk A/S (direct)
ihk-edu.dk	Punktum dk A/S (direct)
incert.dk	Punktum dk A/S (direct)
information4innovation.dk	Punktum dk A/S (direct)
informationforinnovation.dk	Punktum dk A/S (direct)
inka-project.dk	Punktum dk A/S (direct)
intcert.dk	Punktum dk A/S (direct)
intercert.dk	Punktum dk A/S (direct)
it-sik.dk	Punktum dk A/S (direct)
it-sikkerhedsbladet.dk	Punktum dk A/S (direct)
komdigital.dk	Punktum dk A/S (direct)

Showing 100 of 157.

📋 WHOIS#

⏱️ Lookup Timing#

95ms

137ms

111ms

AAAA

105ms

TXT

356ms

CAA

77ms

HTTPS

68ms

TLSA

1052ms

SOA

116ms

MTA-STS

175ms

DNSSEC

220ms

SRV

179ms

Total

3827ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 02:38:47	1130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-12 23:32:56 shown	3827ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 18:12:19	1111ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 17:17:24	9891ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 08:46:12	3100ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 13:31:26	1110ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 23:50:50	2566ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 18:53:17	5743ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 22:40:21	1517ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 11:12:29	13056ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:40:15	3449ms	2 NS 2 A 1 MX	🔓 Insecure