sms-byg.dk

Records from scan: 2026-09-22 20:49:00 · 1566ms total · last checked 2026-10-16 22:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sms-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smsbyg-dk0i.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 31ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.232.66.181	43200s	—	—	—	—	🇸🇪 Sweden	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	smsbyg-dk0i.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 121ms

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

✉️ SPF#

Policy	Record (sms-byg.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 2026-10-09 07:30:06

www CNAME	sms-byg.dk (all on sms-byg.dk) → 77.232.66.181
www vs bare domain	Same network sms-byg.dk: 77.232.66.181 www.sms-byg.dk: 77.232.66.181
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092001
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 2026-10-09 05:15:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-01-07
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

34ms

30ms

AAAA

32ms

TXT

121ms

CAA

34ms

HTTPS

39ms

TLSA

1109ms

SOA

0ms

MTA-STS

42ms

DNSSEC

110ms

SRV

59ms

Total

1566ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 20:49:00 shown	1566ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 20:07:06	703ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 01:17:47	9776ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 07:52:35	2955ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 19:49:39	917ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 22:11:22	1166ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:05:00	1430ms	2 NS 1 A 1 MX	🔒 Secure