1b.dk

📜 Historical scan 2026-09-26 22:35:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1b.dk is a .dk domain served by 2 nameservers (karina.ns.cloudflare.com, kurt.ns.cloudflare.com). It was registered on 16 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.95.100 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
karina.ns.cloudflare.com	108.162.192.178 172.64.32.178 173.245.58.178 2606:4700:50::adf5:3ab2 2803:f800:50::6ca2:c0b2 2a06:98c1:50::ac40:20b2	karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kurt.ns.cloudflare.com	108.162.193.193 172.64.33.193 173.245.59.193 2606:4700:58::adf5:3bc1 2803:f800:50::6ca2:c1c1 2a06:98c1:50::ac40:21c1	kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.95.100	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.70	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.164.27	lm-in-f27.1e100.net lm-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9046	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5f64	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.100,172.67.144.70 ech=AEX+DQBBfwAgACBQyH5ajT3eKUxVOOZwUDeqLcIajSiE6zbB5nmcd4A4VwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9046,2606:4700:3036::6815:5f64

📝 TXT Records#

5 records 196ms

TXT Record
google-site-verification=-_RNG0wbxmO-YD5OFZF1s2HfvkB5_vVlp5Wj1em_fzg
google-site-verification=6A7rFWKH0BdBpoC6TFbCNqhZ4xdA3yii2ELiKdWYrb4
MS=ms91728244
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgW2Q5iOGG/UBX06V+nOROVJG6nbnfH34KMPNG47sEEzmjLwdlAqy/88lRhVL9Gc3LMiR02Etq/kEsiTufDS4eLVw1s1jvl+zvoGXX0n27bHlMtpZw/O3jwglYqADQiLRy8j9/EbpxVzNj5sw9jAGJo+l0BunqHgIOld+433p86Yp8fvIenGRCCmZmOQ151sAQ GtyXc+hwKhcx4VZkM3XltZztdDhPeTZ6CSddVZJ8g5XFMI+dq+EN2F0+EYJlURvW9aEeBNxKYHyPOH0B16CRh85gnzjXV9L16CTAVHZ3fXbZMWcSfdTvUszXDmVBVmiqHXG9J1fexbeaFz1z14I0wIDAQAB
v=spf1 mx include:_spf.google.com -all

✉️ SPF#

Policy	Record (1b.dk)
-all (hard fail)	v=spf1 mx include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.1b.dk)
p=quarantine	v=DMARC1; p=quarantine; ruf=mailto:theme1256@gmail.com

📬 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 2026-10-14 09:18:13

www	104.21.95.100 172.67.144.70 2606:4700:3030::ac43:9046 2606:4700:3036::6815:5f64 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 1b.dk: 104.21.95.100 172.67.144.70 2606:4700:3030::ac43:9046 2606:4700:3036::6815:5f64 (AS13335) www.1b.dk: 104.21.95.100 172.67.144.70 2606:4700:3030::ac43:9046 2606:4700:3036::6815:5f64 (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
dkim	—	RSA · ~2048 bit
google	—	RSA · ~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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.1b.dk	bF7QdVskzsn6vPrAr3AEtLAKXTACAXFreFQSAE3LUhk
TXT	_acme-challenge.1b.dk	j-S401wZ6ZQY7xZgTI1o0CVt-9K343GcowTRerrGc_Y

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415893140
Primary NS (MNAME)	karina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 05:33:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-02-16
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

48ms

50ms

AAAA

39ms

TXT

196ms

CAA

55ms

HTTPS

41ms

TLSA

265ms

SOA

0ms

MTA-STS

72ms

DNSSEC

128ms

SRV

78ms

Total

1371ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 09:18:13	1019ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-11 05:21:33	1546ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-03 23:35:17	650ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-27 22:56:57	844ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-26 22:35:08 shown	1371ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-21 01:31:30	915ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-28 12:55:14	1592ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-27 12:30:15	2093ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-26 11:55:16	986ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-14 20:21:09	1776ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-06 21:46:16	1843ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-29 19:38:02	2262ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-14 17:30:16	25280ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-02 12:04:11	17609ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-19 22:08:34	1814ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-18 09:48:20	1774ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-16 13:00:19	2896ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-16 12:49:51	1965ms	2 NS 2 A 5 MX	🔒 Secure