esbjerg.dk

📜 Historical scan 2026-06-22 01:04:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esbjerg.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, mack.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.2.50 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by esbjerg-dk.u-v1.mx.microsoft, esbjerg-dk.mail.protection.outlook.com. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com	108.162.195.37 162.159.44.37 172.64.35.37 2606:4700:58::a29f:2c25 2803:f800:50::6ca2:c325 2a06:98c1:50::ac40:2325	mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.2.50	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.3.50	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	esbjerg-dk.u-v1.mx.microsoft	2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.21 52.101.68.29 52.101.68.8	mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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
10	300s	esbjerg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 52.101.73.15 52.101.73.26 52.101.73.28 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.206.40

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:232	300s	—	AS13335	—	—	—	—
2606:4700::6812:332	300s	—	AS13335	—	—	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.2.50,104.18.3.50 ipv6hint=2606:4700::6812:232,2606:4700::6812:332

🔌 SRV Records#

1 records 331ms

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

📝 TXT Records#

10 records 215ms

TXT Record
anthropic-domain-verification-ts4fss=kQ0foBsL30Z7cZNLphAK5UtQG
apple-domain-verification=vOdfVPjXbTtVbj83
citrix.mobile.ads.otp=7kwu906fo1eje5wqx06g96lh
facebook-domain-verification=5k416udewepe8jnswy9ju2mp3d0f6s
google-site-verification=z7qMVZOXvcFq8LzPXKATNlUGJnNz2aQpT7ZyI9zNIZU
GqGk1MlX8ywH8jfupd+fy8Yve+YEe5lzHg8qVqLmDdDRE6w/USSdI7x45wXoXrI+Lsno271h0zBh8J98iA/vgQ==
m1lpk78sn3fjktgfyd5sg46wc934n3ds
MS=ms12411495
openai-domain-verification=dv-CaEh6Xkjwet2qEf5gQb4k7Gg
v=spf1 include:_spf68630.spf-protect.dk -all

✉️ SPF#

Policy	Record (esbjerg.dk)
-all (hard fail)	v=spf1 include:_spf68630.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.esbjerg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; ruf=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; adkim=r; aspf=r; ri=86400; fo=1; rf=afrf; pct=100

📬 MTA-STS#

334ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	1727267180
max_age	86400s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:30052c77d849.m@dmarcinput.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 01:34:21

www	104.18.2.50 104.18.3.50 2606:4700::6812:232 2606:4700::6812:332 (AS13335) (address records, no CNAME)
www vs bare domain	Same network esbjerg.dk: 104.18.2.50 104.18.3.50 2606:4700::6812:232 2606:4700::6812:332 (AS13335) www.esbjerg.dk: 104.18.2.50 104.18.3.50 2606:4700::6812:232 2606:4700::6812:332 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-esbjerg-dk._domainkey.esbjergkommune.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-esbjerg-dk._domainkey.esbjergkommune.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records 405ms

Service / Owner	Type	Cert association
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…

🔐 DNSSEC#

127ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407429195
Primary NS (MNAME)	brit.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 01:51:55

Field	Value
Registrar	DANDOMAIN A/S
Registered	1997-01-31
Expires	2029-03-31 (894d)

🔗 Same registrant#

56 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
aadal-skolen.dk	DANDOMAIN A/S
blokbeats.dk	CURANET A/S
boldesagerskole.dk	DANDOMAIN A/S
borderpath.dk	DANDOMAIN A/S
bramming.dk	DANDOMAIN A/S
brugesbjergkommune.dk	DANDOMAIN A/S
bryndumskole.dk	DANDOMAIN A/S
danmarksgadesskole.dk	DANDOMAIN A/S
darkskymandø.dk	DANDOMAIN A/S
darkskyparkmandoe.dk	DANDOMAIN A/S
darkskyparkwaddensea.dk	DANDOMAIN A/S
darumbørneby.dk	DANDOMAIN A/S
detaabnelydteater.dk	DANDOMAIN A/S
detåbnelydteater.dk	DANDOMAIN A/S
esbjerg-lufthavn.dk	DANDOMAIN A/S
esbjerg-udeliv.dk	DANDOMAIN A/S
esbjergairport.dk	DANDOMAIN A/S
esbjergbyfond.dk	DANDOMAIN A/S
esbjergbyhistoriskearkiv.dk	DANDOMAIN A/S
esbjergdroneport.dk	DANDOMAIN A/S
esbjergerklæringen.dk	DANDOMAIN A/S
esbjergkommune.dk	DANDOMAIN A/S
esbjerglufthavn.dk	DANDOMAIN A/S
esbjergskoler.dk	DANDOMAIN A/S
esbjergtest.dk	DANDOMAIN A/S
esbu.dk	DANDOMAIN A/S
esefestival.dk	DANDOMAIN A/S
experienceesbjerg.dk	DANDOMAIN A/S
fantasyfestival.dk	DANDOMAIN A/S
fourfeldtskolen.dk	DANDOMAIN A/S
graensesti.dk	DANDOMAIN A/S
gredstedbroskole.dk	DANDOMAIN A/S
grenzpfad.dk	DANDOMAIN A/S
grænsesti-skole.dk	DANDOMAIN A/S
grænsesti.dk	DANDOMAIN A/S
heiratenindänemark.dk	DANDOMAIN A/S
hjertingskole.dk	DANDOMAIN A/S
huset-esbjerg.dk	DANDOMAIN A/S
kvaglundskolen.dk	DANDOMAIN A/S
mandødarksky.dk	DANDOMAIN A/S
nordreskole.dk	DANDOMAIN A/S
preprodesbjergkommune.dk	DANDOMAIN A/S
ribe.dk	DANDOMAIN A/S
rørkjærskole.dk	DANDOMAIN A/S
skadsskole.dk	DANDOMAIN A/S
spangsbjergskolen.dk	DANDOMAIN A/S
sydvestjyskbrandvæsen.dk	DANDOMAIN A/S
sønderrisskolen.dk	DANDOMAIN A/S
tjaereborgskole.dk	DANDOMAIN A/S
udbudspanelet.dk	DANDOMAIN A/S
vadehavssekretariatet.dk	DANDOMAIN A/S
vejrupboerneby.dk	DANDOMAIN A/S
vejrupskole.dk	DANDOMAIN A/S
vitaskolen.dk	DANDOMAIN A/S
vittenbergskolen.dk	DANDOMAIN A/S
weddinginribe.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

36ms

56ms

AAAA

30ms

TXT

215ms

CAA

29ms

HTTPS

44ms

TLSA

405ms

SOA

0ms

MTA-STS

334ms

DNSSEC

127ms

SRV

331ms

Total

1503ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:34:20	3182ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-03 10:47:05	3358ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 10:40:12	1834ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-29 20:49:45	1467ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-24 11:36:19	1218ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-23 11:20:09	1599ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-19 04:47:36	2295ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-05 03:23:46	1652ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-29 14:36:02	2163ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 11:23:04	1427ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 10:10:50	1008ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-16 00:22:11	10939ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-10 23:32:41	6077ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-07 20:37:27	26252ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-06 14:05:15	2361ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-24 07:36:23	17977ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-23 06:39:30	2083ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-14 20:04:19	2826ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-28 04:46:09	1846ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-25 13:03:36	1431ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-24 11:48:05	6491ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-24 05:06:41	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 01:04:55 shown	1503ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 08:22:29	1061ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 08:21:08	2186ms	2 NS 2 A 2 MX	🔒 Secure