107b.dk

📜 Historical scan 2026-08-11 11:30:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

107b.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.250.103.199 is hosted by Host Europe GmbH (AS8972) in France. Mail is handled by sejler.nu. The zone is DNSSEC-signed and validates, has no 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 223ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 211ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.250.103.199	3600s	sejler.nu	AS8972	Host Europe GmbH	91.250.96.0/21	🇫🇷 France	Strasbourg

📧 MX Records#

1 records 179ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	sejler.nu	2a01:488:66:1000:5bfa:67c7:0:1 91.250.103.199	sejler.nu sejler.nu	AS20773 Host Europe GmbH AS8972 Host Europe GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.250.103.199
🔶 Autoconfig	91.250.103.199

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 564ms

TXT Record
v=spf1 a mx ip4:91.250.103.199 ptr:sejler.nu -all

✉️ SPF#

Policy	Record (107b.dk)
-all (hard fail)	v=spf1 a mx ip4:91.250.103.199 ptr:sejler.nu -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 11:13:38

www	135.181.56.33 (AS24940) (address records, no CNAME)
www vs bare domain	Same network 107b.dk: 135.181.56.33 (AS24940) www.107b.dk: 135.181.56.33 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

417ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

223ms

211ms

179ms

AAAA

234ms

TXT

564ms

CAA

234ms

HTTPS

227ms

TLSA

263ms

SOA

0ms

MTA-STS

333ms

DNSSEC

417ms

SRV

299ms

Total

2630ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 02:03:59	947ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-06 01:08:58	2355ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 23:44:15	644ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 11:30:51 shown	2630ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 20:57:38	1060ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 01:11:01	9157ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 17:59:45	648ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:21:19	832ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:33:43	882ms	2 NS 1 A 1 MX	🔒 Secure