1otterup.dk

Records from scan: 2026-10-13 23:17:39 · 921ms total · last checked 2026-10-18 02:02 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1otterup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.102.88.132 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by 1otterup-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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
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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.102.88.132	600s	—	AS47292	Sentia Denmark A/S	91.102.88.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	1otterup-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca48::10 52.101.185.21 52.101.73.123 52.101.73.126 52.101.91.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 223ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 200ms

TXT Record
MS=ms75794053
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (1otterup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

checked 2026-10-13 23:17:39

www	91.102.88.132 (AS47292) (address records, no CNAME)
www vs bare domain	Same network 1otterup.dk: 91.102.88.132 (AS47292) www.1otterup.dk: 91.102.88.132 (AS47292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-1otterup-dk._domainkey.1otterup.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026101301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 23:31:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-03-03
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

35ms

36ms

AAAA

31ms

TXT

200ms

CAA

45ms

HTTPS

39ms

TLSA

493ms

SOA

34ms

MTA-STS

49ms

DNSSEC

56ms

SRV

223ms

Total

921ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 23:17:39 shown	921ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 15:32:53	1316ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 11:16:00	1235ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 23:12:22	973ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 19:21:44	1157ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 05:43:16	4606ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 14:07:33	1329ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 06:15:36	1665ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:15:10	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:56:48	1491ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:50:08	1695ms	2 NS 1 A 1 MX	🔒 Secure