esbjerg.dk

📜 Historical scan 2026-10-03 10:47:05 · ← 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 95ms

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 80ms

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 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	esbjerg-dk.u-v1.mx.microsoft	2a01:111:f403:c967::a 2a01:111:f403:ca38::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.209.31 52.101.68.27 52.101.73.153 52.101.91.21	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00401.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
10	300s	esbjerg-dk.mail.protection.outlook.com	2a01:111:f403:ca09::a 2a01:111:f403:ca21::10 2a01:111:f403:ca21::a 2a01:111:f403:ca48::10 52.101.103.36 52.101.68.27 52.101.73.123 52.101.91.21	mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am6pr02cu00203.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 69ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:232	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:332	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records#

1 records 69ms

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 150ms

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

📝 TXT Records#

10 records 312ms

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#

438ms

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#

4 records 945ms

Service / Owner	Type	Cert association
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.esbjerg-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…

🔐 DNSSEC#

216ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2416438144
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#

95ms

80ms

70ms

AAAA

69ms

TXT

312ms

CAA

57ms

HTTPS

69ms

TLSA

945ms

SOA

60ms

MTA-STS

438ms

DNSSEC

216ms

SRV

150ms

Total

3358ms

🕐 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 shown	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	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