tietgenonline.dk

📜 Historical scan 2026-06-25 07:08:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tietgenonline.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 28 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com — lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com	108.162.193.206 172.64.33.206 173.245.59.206 2606:4700:58::adf5:3bce 2803:f800:50::6ca2:c1ce 2a06:98c1:50::ac40:21ce	micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com — micah.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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	600s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	600s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	188.114.96.1
🔶 Autoconfig	188.114.96.1

🔷 AAAA Records (IPv6)#

2 records 79ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.32.185,172.67.153.175 ech=AEX+DQBBVgAgACBdG8sksqgrohTJgNZzzCy9VY2dz59GfxpdFuyToyulLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:99af,2606:4700:3037::6815:20b9

📝 TXT Records#

1 records 206ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (tietgenonline.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tietgenonline.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:40b3876c20534832bc28e519fbf2b6f8@dmarc-reports.cloudflare.net;

📬 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 2026-10-19 23:01:36

www	104.21.32.185 172.67.153.175 2606:4700:3036::ac43:99af 2606:4700:3037::6815:20b9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tietgenonline.dk: 104.21.32.185 172.67.153.175 2606:4700:3036::ac43:99af 2606:4700:3037::6815:20b9 (AS13335) www.tietgenonline.dk: 104.21.32.185 172.67.153.175 2606:4700:3036::ac43:99af 2606:4700:3037::6815:20b9 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

39ms

Field	Value
Serial	2407516210
Primary NS (MNAME)	lucy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 09:11:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-11-28
Expires	2026-11-30 (36d)

🔗 Same registrant#

73 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
amuledelse.dk	Punktum dk A/S (direct)
amuonline.dk	Punktum dk A/S (direct)
aspit-odense.dk	Punktum dk A/S (direct)
audiguiden.dk	Punktum dk A/S (direct)
auguiden.dk	Punktum dk A/S (direct)
auledelse.dk	Punktum dk A/S (direct)
boghandleruddannelsen.dk	Punktum dk A/S (direct)
businessviden.dk	Punktum dk A/S (direct)
ciuud.dk	Punktum dk A/S (direct)
core2020.dk	Punktum dk A/S (direct)
dmnø.dk	Punktum dk A/S (direct)
e2e-syd.dk	Punktum dk A/S (direct)
etietgen.dk	Punktum dk A/S (direct)
eventuddannelsen.dk	Punktum dk A/S (direct)
forfremtiden.dk	Punktum dk A/S (direct)
fvuonline.dk	Punktum dk A/S (direct)
gymodense.dk	Punktum dk A/S (direct)
hca-stx.dk	Punktum dk A/S (direct)
hcagymnasium.dk	Punktum dk A/S (direct)
hcastx.dk	Punktum dk A/S (direct)
hg-odense.dk	Punktum dk A/S (direct)
hhx-odense.dk	Punktum dk A/S (direct)
hhxfyn.dk	Punktum dk A/S (direct)
hs-stu.dk	Punktum dk A/S (direct)
hybridleder.dk	Punktum dk A/S (direct)
ibo-brobygning.dk	Punktum dk A/S (direct)
it-administrator-fyn.dk	Punktum dk A/S (direct)
kaosklub.dk	Punktum dk A/S (direct)
kompetencekompasset.dk	Punktum dk A/S (direct)
kompetencevaekst.dk	Punktum dk A/S (direct)
kompetencevækst.dk	Punktum dk A/S (direct)
kurser-fyn.dk	Punktum dk A/S (direct)
kurser-odense.dk	Punktum dk A/S (direct)
laonline.dk	Punktum dk A/S (direct)
leadigeelevpladser.dk	Punktum dk A/S (direct)
lean-learning.dk	Punktum dk A/S (direct)
lederipraksis.dk	Punktum dk A/S (direct)
lederivirkeligheden.dk	Punktum dk A/S (direct)
lederpraksis.dk	Punktum dk A/S (direct)
ledertrainee.dk	Punktum dk A/S (direct)
ledertrappen.dk	Punktum dk A/S (direct)
ledigeelevpladser.dk	Punktum dk A/S (direct)
obuonline.dk	Punktum dk A/S (direct)
odensegymnasium.dk	Punktum dk A/S (direct)
offentliglederfokus.dk	Punktum dk A/S (direct)
offentliglederkarriere.dk	Punktum dk A/S (direct)
offentligledertalent.dk	Punktum dk A/S (direct)
praksisuddannelse.dk	Punktum dk A/S (direct)
projekt-virksomhedsporten.dk	Punktum dk A/S (direct)
sprogcenter-fyn.dk	Punktum dk A/S (direct)
studenterodense.dk	Punktum dk A/S (direct)
studentodense.dk	Punktum dk A/S (direct)
stx-fyn.dk	Punktum dk A/S (direct)
stxfyn.dk	Punktum dk A/S (direct)
teitgen.dk	Punktum dk A/S (direct)
tietgen.dk	Punktum dk A/S (direct)
tietgenapps.dk	Punktum dk A/S (direct)
tietgenbusiness.dk	Punktum dk A/S (direct)
tietgendetail.dk	Punktum dk A/S (direct)
tietgenfinans.dk	Punktum dk A/S (direct)
tietgenkompetencecenter.dk	Punktum dk A/S (direct)
tietgennet.dk	Punktum dk A/S (direct)
tietgenskolen.dk	Punktum dk A/S (direct)
tietgenwebshop.dk	Punktum dk A/S (direct)
titgen.dk	Punktum dk A/S (direct)
titgenskolen.dk	Punktum dk A/S (direct)
tkconline.dk	Punktum dk A/S (direct)
uddannelse-fyn.dk	Punktum dk A/S (direct)
uddannelse-odense.dk	Punktum dk A/S (direct)
uddannelser-fyn.dk	Punktum dk A/S (direct)
uddannelser-odense.dk	Punktum dk A/S (direct)
veteranindsatsfyn.dk	Punktum dk A/S (direct)
videncenterforfinans.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

65ms

51ms

AAAA

79ms

TXT

206ms

CAA

66ms

HTTPS

35ms

TLSA

60ms

SOA

39ms

MTA-STS

72ms

DNSSEC

80ms

SRV

96ms

Total

827ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 23:01:36	424ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-15 18:53:42	650ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-27 19:38:17	559ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-26 00:11:12	636ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-14 08:55:51	1350ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-12 09:24:12	1297ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-07 06:11:06	684ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-27 18:24:50	2476ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-18 01:29:45	4823ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-08 14:41:28	986ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-17 06:20:04	10690ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-25 07:08:25 shown	827ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-22 13:09:14	895ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 07:11:21	629ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-19 11:03:43	817ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-19 06:21:44	826ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-18 01:42:29	2231ms	2 NS 2 A 0 MX	🔒 Secure