esbjergbibliotek.dk

📜 Historical scan 2026-08-15 21:25:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esbjergbibliotek.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, mack.ns.cloudflare.com). It was registered on 27 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.25.93 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by esbjergbibliotek-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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
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#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.25.93	300s	—	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	esbjergbibliotek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 52.101.68.21 52.101.68.32 52.101.73.153 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 343ms

TXT Record
apple-domain-verification=9Gg0nijqcDfe47ZQ
MS=ms61810424
v=spf1 include:_spf68720.spf-protect.dk -all

✉️ SPF#

Policy	Record (esbjergbibliotek.dk)
-all (hard fail)	v=spf1 include:_spf68720.spf-protect.dk -all

📨 DMARC#

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

📬 MTA-STS#

239ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	1727267069
max_age	86400s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:a1b937d4ecc1.m@dmarcinput.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-26 04:15:41

www CNAME	cluster-2.folkebibliotekernescms.dk (all on folkebibliotekernescms.dk) → 130.226.25.93 (AS1835)
www vs bare domain	Same network esbjergbibliotek.dk: 130.226.25.93 (AS1835) www.esbjergbibliotek.dk: 130.226.25.93 (AS1835)
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#

3 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-esbjergbibliotek-dk._domainkey.esbjergkommune.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-esbjergbibliotek-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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.esbjergbibliotek.dk	Gy6rSkOsPKdIvR0lONIKTtXQNtdKDgvJufsKem2Yjvc
TXT	_acme-challenge.esbjergbibliotek.dk	c04bEuh6PR7g3BYiBiKOo7XiVjm0afyVc7qXXLy8MaA
TXT	_acme-challenge.esbjergbibliotek.dk	fiPybxhoYBcsrVdXKSDoUlDBq3UksI28LqbV73rPTGE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412300249
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 2026-10-09 23:41:25

Field	Value
Registrar	DANDOMAIN A/S
Registered	2000-09-27
Expires	2027-09-30 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

46ms

52ms

AAAA

56ms

TXT

343ms

CAA

56ms

HTTPS

37ms

TLSA

883ms

SOA

0ms

MTA-STS

239ms

DNSSEC

78ms

SRV

126ms

Total

2420ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 04:15:41	723ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-24 17:26:51	2734ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 08:35:48	1241ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 03:51:12	1942ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 23:05:12	1235ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 19:19:16	1649ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:46:28	1194ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 00:42:10	2138ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 07:13:39	2401ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 00:26:15	5789ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 18:20:42	1828ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 21:25:20 shown	2420ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 11:49:42	6392ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 15:18:34	3846ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 22:01:23	6688ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:44:42	1327ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:23:17	1266ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:20:15	837ms	2 NS 1 A 1 MX	🔒 Secure